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O Canada! Potential 2016ers head north

With three different stances, Clinton, Christie and O’Malley’s visits surely can’t all be about Keystone. So why are they all heading north?

Governor Chris Christie meets voters at an event in Iowa on July 17, 2014. (Photo by Danny Wilcox Frazier/Redux)
Governor Chris Christie meets voters at an event in Iowa on July 17, 2014.Danny Wilcox Frazier/Redux