"U.S. President Barack Obama listens during a joint news conference with Enrique Pena Nieto, Mexico's president, not pictured, and Justin Trudeau, Canada's prime minister, not pictured, at the National Gallery of Canada during the North American Leaders Summit (NALS) in Ottawa, Ontario, Canada, on Wednesday, June 29, 2016. Leaders from the three Nafta nations ""agree on the need for governments of all major steel-producing countries to make strong and immediate commitments to address the problem of global excess steelmaking capacity,"" according to a statement from Trudeau. Photographer: Cole Burston/Bloomberg via Getty Images"