U.S. President Barack Obama and Canadian Prime Minister Stephen Harper hold a news conference on Parliament Hill in Ottawa

 
U.S. President Barack Obama and Canadian Prime Minister Stephen Harper hold a news conference on Parliament Hill in Ottawa
U.S. President Barack Obama (L) laughs as he and Canadian Prime Minister Stephen Harper walk down the Hall of Honour on the way to a news conference on Parliament Hill in Ottawa, February 19, 2009. REUTERS/Larry Downing (CANADA)