Now playing Next USA Euroviews. One minute it's cancerous, next it's fine? What red meat studies really tell us ǀ View Everyone has heard the message that meat is unhealthy. But many people aren’t listening, and it’s not even clear they should. 08/10/2019
Now playing Next USA Large humpback whale spotted in River Thames near London "We are 99.9999 percent sure it is a humpback whale — there have been multiple sightings," said a spokesman for the Port of London Authority. 08/10/2019
Now playing Next USA House Dems look for paper trail on blocked military aid to Ukraine Chief of staff Mick Mulvaney is under scrutiny after House committees issued subpoenas targeting the White House and the OMB. 08/10/2019
Now playing Next no comment Divers carve pumpkins in depths of Florida Keys A group of scuba divers submerged in the Florida Keys National Marine Sanctuary to take part in an underwater pumpkin carving contest 08/10/2019
Now playing Next Sport Brazil Judo Grand Slam: Brazil, Colombia, Japan and Russia excel Experience won the day on day two in Brasilia 08/10/2019
Now playing Next USA The life-saving science behind the 2019 Nobel Prize for Medicine The research could lead to new treatments for potentially deadly conditions including cancer, heart attack and stroke. 08/10/2019
Now playing Next USA Chaos in Syria, Washington after Trump call with Erdogan unleashed Turkish military U.S. forces in Syria got an urgent alert Monday morning to pull back. "They were told, 'We're departing the field,'" said senior U.S. defense officials. 08/10/2019
Now playing Next USA House Democrats call for ambassador to E.U. Sondland to resign Exclusive: An NBC News survey of lawmakers shows that almost a dozen want Sondland to resign ahead of his congressional testimony Tuesday. 07/10/2019
Now playing Next USA DHS chief walks off stage after protesters drown out immigration speech The demonstrators shouted, "Immigrants are under attack. What do we do? Stand up, fight back." 07/10/2019
Now playing Next USA Trump threatens to 'totally destroy and obliterate' Turkey's economy Trump's warning came after bipartisan complaints that he's leaving the U.S.-allied Kurdish fighters to the mercy of the Turkish military. 07/10/2019
Now playing Next USA Kamala Harris forced to address alleged sex assault at husband's law firm Harris' husband, Douglas Emhoff, is a partner at the firm that Vanina Guerrero is suing. 07/10/2019
Now playing Next USA House subpoenas defense secretary, Trump budget chief for Ukraine documents Democrats have so far issued five subpoenas as part of the impeachment probe. 07/10/2019
Now playing Next USA 'Disaster,' 'Betrayal,' 'Mistake': Republicans slam Trump's Syria pullout Several GOP lawmakers, including prominent Trump allies, excoriated the president's decision to pull the U.S. out of northern Syria and let Turkey move in. 07/10/2019
Now playing Next USA Former Ukraine envoy Volker steps down from McCain Institute post In a statement, Volker said attention on his role in President Trump's efforts to get Ukraine to investigate a political opponent has been a "distraction." 07/10/2019
Now playing Next USA 'Disgusting': U.S. politicians call out NBA for cowing to China amid Houston Rockets controversy "Moment of truth for NBA," Sen. Josh Hawley, R-Mo., tweeted. "Will they bow to pressure from repressive, authoritarian govt?" 07/10/2019
Now playing Next USA Trump loses New York court fight to keep tax returns hidden Trump had sued bid to block a subpoena from the Manhattan district attorney seeking eight years of personal and business tax documents. 07/10/2019
Now playing Next USA Conspiracy theories go mainstream inside the GOP First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 07/10/2019
Now playing Next USA U.K. pushes for return of U.S. diplomat's wife after deadly crash A 42-year-old American woman is being treated as a suspect in the investigation into a motorcycle crash that killed a 19-year-old man. 07/10/2019
Now playing Next USA Trump's backing for Turkey's Syria plan could cause havoc in an unstable region, experts warn "It seems that the policy of the United States is to betray their friends and allies," said the spokesperson for the Kurdish-led Syrian Democratic Forces 07/10/2019
Now playing Next USA Trio awarded Nobel Medicine prize for learning how cells use oxygen The three scientists found "the molecular switch for how to adapt" when oxygen levels in the body vary. 07/10/2019
Now playing Next Mexico Dozens of hot air balloons take part in annual US festival The annual nine-day fiesta in the US state of New Mexico is one of the most photographed event in the world. 07/10/2019
Now playing Next USA Forget Trump and Biden. For Ukraine, the scandal is still corruption. Prosecutor General Ruslan Riaboshapka said Friday that Ukraine is reviewing past investigations into the owner of a company that once employed former Vice President Joe Biden's son as a board member, 07/10/2019
Now playing Next USA Iraq blames 'malicious' hands as toll from unrest tops 100 The protests began with demands for jobs and an end to corruption, and now include calls for justice for those killed in the protests. 07/10/2019
Now playing Next USA Protests block roads in European cities, urging climate action Founded in Britain last year, Extinction Rebellion now has chapters in some 50 countries. 07/10/2019
Now playing Next USA Protesters charged in first use of Hong Kong's new mask ban Tens of thousands of masked protesters marched defiantly in the city center Sunday. 07/10/2019
Now playing Next no comment Local pets blessed by priest in in Lima, Peru Catholics brought their cats, dogs, turtles and birds, among other animals, to receive blessings. 07/10/2019