
The Senate voted this evening to reject the Keystone XL pipeline that would have carried Alberta tar sands oil from Canada to the Gulf of Mexico. The measure failed by a vote of 41-59. Sixty votes are required to pass a bill out of the Senate. The project has been stalled for six years due to widespread public opposition.
The bill easily passed the House of Representatives last week, where it was on the floor for the ninth time since Republicans took control of that chamber. The Senate, controlled by Democrats, has not brought it to the Senate floor until now. The Senate bill was introduced by Democratic Louisiana Senator Mary Landrieu, hoping to score points with voters in her oil-dependent state going into a closely contested runoff with her Republican opponent, Congressman Bill Cassidy. Cassidy was the sponsor of the latest bill in the House.
After introducing the bill last week, Landrieu worked feverishly to round up the 60 votes required to pass any legislation in the Senate, as anti-pipeline activists expressed outrage and charges of political grandstanding on Landrieu's part. Landrieu responded indignantly to Kansas Senator Pat Roberts' suggestion that she called for the vote for political reasons, saying on the floor of the Senate, "I was very disappointed in the senator from Kansas. I think he said he was ‘bemused’ that we would be debating this, because he thinks it’s some kind of political issue. “For him to come to the floor and make those remarks ... is beneath the dignity of the state he represents and the Marine Corps.” (Roberts is a former Marine).
Senate minority leader Mitch McConnell did some showboating of his own, referring to the bill during debate as "Congressman Bill Cassidy's Keystone jobs bill." He continued that it was "common sense, a shovel-ready jobs project that will help thousands of Americans find work." But this weekend, on ABC's This Week, Russ Girling, CEO of TransCanada, the company building the pipeline, admitted that it would create at most 50 permanent jobs along with several thousand temporary ones, referring vaguely to 42,000 "direct and indirect ongoing and enduring jobs." The Tampa Bay-Times PolitiFact feature rated that statement "false," saying he based that figure on temporary multiplier jobs that would be created only during construction to service the workers, such as hotel workers, waitresses and entertainers.
Landrieu's desperation led to even more hyperbole on the Senate floor during the debate:
.@SenLandrieu just said Keystone XL would create 'millions of jobs' on the Senate floor. Millions. No. Just no. #noKXL
— 350 dot org (@350) November 18, 2014
Meanwhile, prior to the vote, protestors amassed outside Landrieu's Washington, DC home where they installed a large inflatable pipeline. Four protesters were arrested outside Delaware Senator Tom Carper's office. Carper has generally been pro-environment but indicated he would vote to approve Keystone XL. Another seven were arrested at Colorado Senator Michael Bennet's office.
.@350 protesters singing "you can't eat money, you can't drink oil" in lobby Sen. Carper's office. (Corrected tweet) pic.twitter.com/lYitpafkKT — Kate Sheppard (@kate_sheppard) November 18, 2014
Two representatives of the campaign opposing Keystone XL in Nebraska where a lawsuit is currently blocking construction, Bold Nebraska director Jane Kleeb and rancher Randy Thompson, delivered a letter to Senator Mitch McConnell Monday night.
It said, "We are really sick and tired of being told how safe this project will be by people who live fifteen hundred miles away and are fully insulated from the inherent risks associated with it. Would you be so anxious to vote “yes” if this pipeline were going to run through your property where your family lives, works and plays? Our families will not watch our land and water get polluted so Canada can get their risky tar sands to the export market. You oil-soaked Senators should be ashamed of yourselves and if you have the nerve to talk about the constitution or property rights again, we will be there to set the record straight.”
Environmental groups prepared for the worst, as the vote locked close up until roll call, with approval seeming to hinge on perhaps a single vote. The Natural Resources Defense Council put out "8 discredited talking points pushed by Keystone XL proponents in Senate debate."
And California Senator Barbara Boxer, a Keystone XL opponent said, “What does XL stand for? To me it stands for extra lethal. This is a serious environmental hazard.”
.@SenatorBoxer on #KeystoneXL, and what the Koch Brothers won't tell you about it. #NoKXL cc @NextGenClimate @350 pic.twitter.com/NTdBDpR49m
— The Other 98% (@other98) November 18, 2014
Senate majority leader Harry Reid of Nevada is opposed to the pipeline but he allowed it to come to a vote for the first time. Reid has joined with a multitude of environmental justice groups in calling on President Obama to veto it, which the President in the last week has strongly suggested he would if it passed. Soon-to-be Senate Majority leader Mitch McConnell said it would be the first item of business when he assumes leadership of the Senate in January.
"We applaud the Senators who stood up for the health of our families and our climate by fighting back against this big polluter-funded sideshow," said Michael Brune, executive director of the Sierra Club. "There’s no good reason the Senate should have wasted all this time on yet another meaningless push for Keystone XL. Since day one, the decision on the pipeline has belonged to President Obama, and he has repeatedly said he will reject this pipeline if it contributes to the climate crisis. As there is no doubt that it does, we remain confident that is precisely what he’ll do."
Kleeb agrees with Brune, "Today’s defeat of Keystone XL should send a strong signal to the incoming GOP-led Congress that farmers and ranchers will never back down to their oil soaked intentions. We call on President Obama to stand up and reject Keystone XL now."
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A Healthy Microbiome Builds a Strong Immune System That Could Help Defeat COVID-19
By Ana Maldonado-Contreras
Takeaways
- Your gut is home to trillions of bacteria that are vital for keeping you healthy.
- Some of these microbes help to regulate the immune system.
- New research, which has not yet been peer-reviewed, shows the presence of certain bacteria in the gut may reveal which people are more vulnerable to a more severe case of COVID-19.
You may not know it, but you have an army of microbes living inside of you that are essential for fighting off threats, including the virus that causes COVID-19.
How Do Resident Bacteria Keep You Healthy?
<p>Our immune defense is part of a complex biological response against harmful pathogens, such as viruses or bacteria. However, because our bodies are inhabited by trillions of mostly beneficial bacteria, virus and fungi, activation of our immune response is tightly regulated to distinguish between harmful and helpful microbes.</p><p>Our bacteria are spectacular companions diligently helping prime our immune system defenses to combat infections. A seminal study found that mice treated with antibiotics that eliminate bacteria in the gut exhibited an impaired immune response. These animals had low counts of virus-fighting white blood cells, weak antibody responses and poor production of a protein that is vital for <a href="https://doi.org/10.1073/pnas.1019378108" target="_blank">combating viral infection and modulating the immune response</a>.</p><p><a href="https://doi.org/10.1371/journal.pone.0184976" target="_blank" rel="noopener noreferrer">In another study</a>, mice were fed <em>Lactobacillus</em> bacteria, commonly used as probiotic in fermented food. These microbes reduced the severity of influenza infection. The <em>Lactobacillus</em>-treated mice did not lose weight and had only mild lung damage compared with untreated mice. Similarly, others have found that treatment of mice with <em>Lactobacillus</em> protects against different <a href="https://doi.org/10.1038/srep04638" target="_blank" rel="noopener noreferrer">subtypes of</a> <a href="https://doi.org/10.1038/s41598-017-17487-8" target="_blank" rel="noopener noreferrer">influenza</a> <a href="https://doi.org/10.1371/journal.ppat.1008072" target="_blank" rel="noopener noreferrer">virus</a> and human respiratory syncytial virus – the <a href="https://doi.org/10.1038/s41598-019-39602-7" target="_blank" rel="noopener noreferrer">major cause of viral bronchiolitis and pneumonia in children</a>.</p>Chronic Disease and Microbes
<p>Patients with chronic illnesses including Type 2 diabetes, obesity and cardiovascular disease exhibit a hyperactive immune system that fails to recognize a harmless stimulus and is linked to an altered gut microbiome.</p><p>In these chronic diseases, the gut microbiome lacks bacteria that activate <a href="https://doi.org/10.1126/science.1198469" target="_blank" rel="noopener noreferrer">immune cells</a> that block the response against harmless bacteria in our guts. Such alteration of the gut microbiome is also observed in <a href="https://doi.org/10.1073/pnas.1002601107" target="_blank" rel="noopener noreferrer">babies delivered by cesarean section</a>, individuals consuming a poor <a href="https://doi.org/10.1038/nature12820" target="_blank" rel="noopener noreferrer">diet</a> and the <a href="https://doi.org/10.1038/nature11053" target="_blank" rel="noopener noreferrer">elderly</a>.</p><p>In the U.S., 117 million individuals – about half the adult population – <a href="https://health.gov/our-work/food-nutrition/2015-2020-dietary-guidelines/guidelines/" target="_blank" rel="noopener noreferrer">suffer from Type 2 diabetes, obesity, cardiovascular disease or a combination of them</a>. That suggests that half of American adults carry a faulty microbiome army.</p><p>Research in my laboratory focuses on identifying gut bacteria that are critical for creating a balanced immune system, which fights life-threatening bacterial and viral infections, while tolerating the beneficial bacteria in and on us.</p><p>Given that diet affects the diversity of bacteria in the gut, <a href="https://www.umassmed.edu/nutrition/melody-trial-info/" target="_blank" rel="noopener noreferrer">my lab studies show how diet can be used</a> as a therapy for chronic diseases. Using different foods, people can shift their gut microbiome to one that boosts a healthy immune response.</p><p>A fraction of patients infected with SARS-CoV-2, the virus that causes COVID-19 disease, develop severe complications that require hospitalization in intensive care units. What do many of those patients have in common? <a href="https://www.cdc.gov/mmwr/volumes/69/wr/mm6912e2.htm" target="_blank" rel="noopener noreferrer">Old age</a> and chronic diet-related diseases like obesity, Type 2 diabetes and cardiovascular disease.</p><p><a href="http://doi.org/10.1016/j.jada.2008.12.019" target="_blank" rel="noopener noreferrer">Black and Latinx people are disproportionately affected by obesity, Type 2 diabetes and cardiovascular disease</a>, all of which are linked to poor nutrition. Thus, it is not a coincidence that <a href="https://www.cdc.gov/mmwr/volumes/69/wr/mm6933e1.htm" target="_blank" rel="noopener noreferrer">these groups have suffered more deaths from COVID-19</a> compared with whites. This is the case not only in the U.S. but also <a href="https://www.washingtonpost.com/world/europe/blacks-in-britain-are-four-times-as-likely-to-die-of-coronavirus-as-whites-data-show/2020/05/07/2dc76710-9067-11ea-9322-a29e75effc93_story.html" target="_blank" rel="noopener noreferrer">in Britain</a>.</p>Discovering Microbes That Predict COVID-19 Severity
<p>The COVID-19 pandemic has inspired me to shift my research and explore the role of the gut microbiome in the overly aggressive immune response against SARS-CoV-2 infection.</p><p>My colleagues and I have hypothesized that critically ill SARS-CoV-2 patients with conditions like obesity, Type 2 diabetes and cardiovascular disease exhibit an altered gut microbiome that aggravates <a href="https://theconversation.com/exercise-may-help-reduce-risk-of-deadly-covid-19-complication-ards-136922" target="_blank" rel="noopener noreferrer">acute respiratory distress syndrome</a>.</p><p>Acute respiratory distress syndrome, a life-threatening lung injury, in SARS-CoV-2 patients is thought to develop from a <a href="http://doi.org/10.1016/j.cytogfr.2020.05.003" target="_blank" rel="noopener noreferrer">fatal overreaction of the immune response</a> called a <a href="https://theconversation.com/blocking-the-deadly-cytokine-storm-is-a-vital-weapon-for-treating-covid-19-137690" target="_blank" rel="noopener noreferrer">cytokine storm</a> <a href="http://doi.org/10.1016/S2213-2600(20)30216-2" target="_blank" rel="noopener noreferrer">that causes an uncontrolled flood</a> <a href="http://doi.org/10.1016/S2213-2600(20)30216-2" target="_blank" rel="noopener noreferrer">of immune cells into the lungs</a>. In these patients, their own uncontrolled inflammatory immune response, rather than the virus itself, causes the <a href="http://doi.org/10.1007/s00134-020-05991-x" target="_blank" rel="noopener noreferrer">severe lung injury and multiorgan failures</a> that lead to death.</p><p>Several studies <a href="https://doi.org/10.1016/j.trsl.2020.08.004" target="_blank" rel="noopener noreferrer">described in one recent review</a> have identified an altered gut microbiome in patients with COVID-19. However, identification of specific bacteria within the microbiome that could predict COVID-19 severity is lacking.</p><p>To address this question, my colleagues and I recruited COVID-19 hospitalized patients with severe and moderate symptoms. We collected stool and saliva samples to determine whether bacteria within the gut and oral microbiome could predict COVID-19 severity. The identification of microbiome markers that can predict the clinical outcomes of COVID-19 disease is key to help prioritize patients needing urgent treatment.</p><p><a href="https://doi.org/10.1101/2021.01.05.20249061" target="_blank" rel="noopener noreferrer">We demonstrated</a>, in a paper which has not yet been peer reviewed, that the composition of the gut microbiome is the strongest predictor of COVID-19 severity compared to patient's clinical characteristics commonly used to do so. Specifically, we identified that the presence of a bacterium in the stool – called <em>Enterococcus faecalis</em>– was a robust predictor of COVID-19 severity. Not surprisingly, <em>Enterococcus faecalis</em> has been associated with <a href="https://doi.org/10.1053/j.gastro.2011.05.035" target="_blank" rel="noopener noreferrer">chronic</a> <a href="https://doi.org/10.1016/S0002-9440(10)61172-8" target="_blank" rel="noopener noreferrer">inflammation</a>.</p><p><em>Enterococcus faecalis</em> collected from feces can be grown outside of the body in clinical laboratories. Thus, an <em>E. faecalis</em> test might be a cost-effective, rapid and relatively easy way to identify patients who are likely to require more supportive care and therapeutic interventions to improve their chances of survival.</p><p>But it is not yet clear from our research what is the contribution of the altered microbiome in the immune response to SARS-CoV-2 infection. A recent study has shown that <a href="https://doi.org/10.1101/2020.12.11.416180" target="_blank" rel="noopener noreferrer">SARS-CoV-2 infection triggers an imbalance in immune cells</a> called <a href="https://doi.org/10.1111/imr.12170" target="_blank" rel="noopener noreferrer">T regulatory cells that are critical to immune balance</a>.</p><p>Bacteria from the gut microbiome are responsible for the <a href="https://doi.org/10.7554/eLife.30916.001" target="_blank" rel="noopener noreferrer">proper activation</a> <a href="https://doi.org/10.1126/science.1198469" target="_blank" rel="noopener noreferrer">of those T-regulatory</a> <a href="https://doi.org/10.1038/nri.2016.36" target="_blank" rel="noopener noreferrer">cells</a>. Thus, researchers like me need to take repeated patient stool, saliva and blood samples over a longer time frame to learn how the altered microbiome observed in COVID-19 patients can modulate COVID-19 disease severity, perhaps by altering the development of the T-regulatory cells.</p><p>As a Latina scientist investigating interactions between diet, microbiome and immunity, I must stress the importance of better policies to improve access to healthy foods, which lead to a healthier microbiome. It is also important to design culturally sensitive dietary interventions for Black and Latinx communities. While a good-quality diet might not prevent SARS-CoV-2 infection, it can treat the underlying conditions related to its severity.</p><p><em><a href="https://theconversation.com/profiles/ana-maldonado-contreras-1152969" target="_blank">Ana Maldonado-Contreras</a> is an assistant professor of Microbiology and Physiological Systems at the University of Massachusetts Medical School.</em></p><p><em>Disclosure statement: Ana Maldonado-Contreras receives funding from The Helmsley Charitable Trust and her work has been supported by the American Gastroenterological Association. She received The Charles A. King Trust Postdoctoral Research Fellowship. She is also member of the Diversity Committee of the American Gastroenterological Association.</em></p><p><em style="">Reposted with permission from <a href="https://theconversation.com/a-healthy-microbiome-builds-a-strong-immune-system-that-could-help-defeat-covid-19-145668" target="_blank" rel="noopener noreferrer" style="">The Conversation</a>. </em></p>By Jeff Masters, Ph.D.
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