Prince William and Kate, the Duke and Duchess of Cambridge, walk with Canadian Prime Minister Stephen Harper, right, after watching bull riding at the Calgary Stampede in Calgary on Thursday, July 7, ... more 
Prince William and Kate, the Duke and Duchess of Cambridge, walk with Canadian Prime Minister Stephen Harper, right, after watching bull riding at the Calgary Stampede in Calgary on Thursday, July 7, 2011. (AP Photo/The Canadian Press, Nathan Denette) less 
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Associated Press | Photo By The Canadian Press, Nathan Denette
Thu, Jul 7, 2011 11:23 PM EDT