North American leaders meet to reaffirm close ties
{{#rendered}} {{/rendered}}Canadian Prime Minister Justin Trudeau, center, Mexican President Enrique Pena Nieto, left, and U.S. President Barack Obama take part in the North American Leaders Summit at the National Gallery of Canada in Ottawa on Wednesday, June 29, 2016. ((Sean Kilpatrick/The Canadian Press via AP))
Canada's Prime Minister Justin Trudeau, Mexican President Enrique Pena Nieto and U.S. President Barack Obama start the plenary session during the North American Leaders' Summit at the National Gallery of Canada in Ottawa on Wednesday, June 29, 2016. ((Sean Kilpatrick/The Canadian Press via AP))
President Barack Obama talks across the table to Canadian Prime Minister Justin Trudeau, center, as Secretary of State John Kerry listens at left, during the North American Leaders' Summit working session at the National Gallery of Canada in Ottawa, Canada, Wednesday, June 29, 2016. ((AP Photo/Pablo Martinez Monsivais))
Canada Prime Minister Justin Trudeau, left, welcomes U.S. President Barack Obama to the North American Leaders' Summit in Ottawa, Wednesday June 29, 2016. ((Fred Chartrand/The Canadian Press via AP))
Prime Minister Justin Trudeau, center, Mexican President Enrique Pena Nieto, left, and U.S. President Barack Obama take part in the North American Leaders' Summit at the National Gallery of Canada in Ottawa on Wednesday, June 29, 2016. ((Sean Kilpatrick/The Canadian Press via AP))
U.S. President Barack Obama shaked hands with Mexican President Enrique Pena Nieto during a bilateral meeting at the North American Leaders' Summit at the National Gallery of Canada in Ottawa on Wednesday, June 29, 2016. ((Sean Kilpatrick/The Canadian Press via AP))
Mexican President Enrique Pena Nieto speaks during a bilateral meeting with U.S. President Barack Obama during the North American Leaders' Summit at the National Gallery of Canada in Ottawa on Wednesday, June 29, 2016. ((Sean Kilpatrick/The Canadian Press via AP))
Mexico President Enrique Pena Nieto, left, Canada Prime Minister Justin Trudeau, center, and President Barack Obama pose for a photo at the North American Leaders Summit at the National Gallery of Canada in Ottawa, Wednesday, June 29, 2016. ((Fred Chartrand/The Canadian Press via AP))