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President Barack Obama toasts Canadian Prime Minister Justin Trudeau during a State Dinner in the East Room of the White House in Washington, Thursday, March 10, 2016. The head table included first lady Michelle Obama, Sophie Gregoire Trudeau, and actor Michael J. Fox. (AP Photo/Jacquelyn Martin)

President Barack Obama toasts Canadian Prime Minister Justin Trudeau during a State Dinner in the East Room of the White House in Washington, Thursday, March 10, 2016. The head table included first lady Michelle Obama, Sophie Gregoire Trudeau, and actor Michael J. Fox. (AP Photo/Jacquelyn Martin)