Hundreds of active-duty troops on are standby to deploy to Minnesota, Trump escalates tensions across Europe with new threats over Greenland, Israel raises objections over Trump's Board of Peace.
President Trump said the U.S. will impose tariffs on eight European countries until the U.S. acquires Greenland. The announcement came as a congressional delegation visited Denmark to ease tensions.
NPR's Steve Inskeep asks Kurt Volker, a former U.S. ambassador to NATO, about what critics perceive as the Trump administration's threat to the transatlantic alliance.