Former NATO head on 'very serious' U.S., Europe divide

On Capitol Hill Tuesday, national security experts raised the alarm about authoritarianism's global rise. Among those participating was former NATO Secretary General Anders Fogh Rasmussen, who called Russia and China “hostile geopolitical rivals.” Rasmussen talks to Judy Woodruff about how President Trump is weakening NATO, fears of a U.S.-Russia arms race and his trust in U.S. intelligence.