European leaders meet for an emergency summit as allies weigh a possible deal with the U.S. on Greenland after President Trump walked back threats of military action and tariffs.Trump’s clashes with Canada and Europe raise fresh doubts about the stability of U.S. alliances, as Canadian Prime Minister Mark Carney warns coercion and tariff threats are changing the global order.And Supreme Court justices had tough question for Trump's lawyers as they hear arguments over whether a president can fire a Federal Reserve governor, a case that could redefine the independence of the central bank.Want more analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.Today’s episode of Up First was edited by Miguel Macias, Andrew Sussman, Rafael Nam, Mohamad ElBardicy, and Alice Woelfle.It was produced by Ziad Buchh, Ben Abrams and Christopher Thomas.We get engineering support from Neisha Heinis. Our technical director is Carleigh Strange.Our deputy Executive Producer is Kelley Dickens.(0:00) Introduction(01:59) Greenland Emergency Summit(05:27) New World Order(09:10) SCOTUS Justices Hear Fed CaseLearn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy