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ANDREWS AIR FORCE BASE, MD - OCTOBER 28: U.S. Secretary of State John Kerry arrives to board his plane en route to Ottawa, Canada October 28, 2014, at Andrews Air Force Base, Maryland, Kerry is going to Ottawa to express his condolences or the shooting deaths of the Canadian soldiers last week and attend meetings with Canadian leaders. (Photo by Carolyn Kaster-Pool/Getty Images)

ANDREWS AIR FORCE BASE, MD - OCTOBER 28:  U.S. Secretary of State John Kerry arrives to board his plane en route to Ottawa, Canada October 28, 2014, at Andrews Air Force Base, Maryland, Kerry is going to Ottawa to express his condolences or the shooting deaths of the Canadian soldiers last week and attend meetings with Canadian leaders.   (Photo by Carolyn Kaster-Pool/Getty Images)