U.S. Vice President Mike Pence, right, shakes hands with Mexico’s President Enrique Pena Nieto during a bilateral meeting at the Summit of the A

U.S. Vice President Mike Pence, right, shakes hands with Mexico's President Enrique Pena Nieto during a bilateral meeting at the Summit of the Americas in Lima, Peru, Saturday, April 14, 2018. (AP Photo/Karel Navarro)

U.S. Vice President Mike Pence, right, shakes hands with Mexico’s President Enrique Pena Nieto during a bilateral meeting at the Summit of the Americas in Lima, Peru, Saturday, April 14, 2018. (AP Photo/Karel Navarro)