U.S. President Donald Trump gestures as he speaks during a "Great, Historic Investment in Rural Health Roundtable" in the East Room of the White House on Jan. 16, 2026 in Washington, DC.President Donald Trump said Friday he may impose tariffs on countries "if they don't go along with Greenland." "We need Greenland for national security. So I may do that," Trump said at the White House.The comments show Trump, whose push to acquire Greenland for the U.S. has grown increasingly aggressive in recent months, tu ...