U.S. President Barack Obama , Canadian Prime Minister Stephen Harper and Mexican President Enrique Pena Nieto agreed to streamline border controls to facilitate the movement of people through the establishment of a trusted traveler program . Three nations will streamline border security . The three nations are called the ` ` Three Amigos '' The Keystone gas pipeline is a major issue .
Three nations will streamline border security . The three nations are called the ` ` Three Amigos '' The Keystone gas pipeline is a major issue .