Colombia's President Juan Manuel Santos, left, shakes hands with U.S. Secretary of State Rex Tillerson during a joint press conference after a meeting at the presidential palace in Bogota, Colombia, Tuesday, Feb. 6, 2018.
Colombia's President Juan Manuel Santos, left, shakes hands with U.S. Secretary of State Rex Tillerson during a joint press conference after a meeting at the presidential palace in Bogota, Colombia, Tuesday, Feb. 6, 2018. Fernando Vergara AP
Colombia's President Juan Manuel Santos, left, shakes hands with U.S. Secretary of State Rex Tillerson during a joint press conference after a meeting at the presidential palace in Bogota, Colombia, Tuesday, Feb. 6, 2018. Fernando Vergara AP