President Trump says the U.S. needs Greenland for "national security" reasons. Trump also refused to answer whether he will militarily engage with our NATO partners. MS NOW Congressional Reporter Mychael Schnell and MS NOW International Reporter Ines de La Cuetara have more details. Senior Writer at The Dispatch David Drucker and former U.S. Ambassador to Denmark Rufus Gifford join Katy Tur to discuss more. MS NOW: My Source for News, Opinion, and the World. Same mission. New name. » Subscribe