Trump hits Denmark and 7 other U.S. allies with tariffs, escalating standoff over Greenland

President Trump announced Saturday he would impose a 10% tariff starting Feb. 1 on all goods from Denmark and seven other European countries until a deal is in place allowing the U.S. to buy Greenland. Trump says the tariff will increase to 25% on June 1 for the eight NATO allies if no deal is reached. NBC News’ Melanie Zanona reports.