President Barack Obama meets with Canadian Prime Minister Justin Trudeau, Thursday, March 10, 2016, in the Oval Office of the White House in Washingto

President Barack Obama meets with Canadian Prime Minister Justin Trudeau, Thursday, March 10, 2016, in the Oval Office of the White House in Washington. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama meets with Canadian Prime Minister Justin Trudeau, Thursday, March 10, 2016, in the Oval Office of the White House in Washington. (AP Photo/Pablo Martinez Monsivais)