Smoke billows from a forest fire in southern Saskatchewan, Canada, in late June. Thousands of Canadians have been forced to evacuate their homes because of wildland fires. AP hide caption

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Defenders Meghan Klingenberg, left, and Becky Sauerbrunn of the United States sandwich Sofia Jakobsson of Sweden on Friday during their Group D World Cup match in Winnipeg, Canada. Wang Lili/Xinhua/Landov hide caption

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Canadian-born Omar Khadr is seen in a courtroom sketch during a 2010 hearing at the U.S. military prison at Guantanamo Bay, Cuba. He was moved to a Canadian prison in 2012. Janet Hamlin/AP hide caption

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Firefighters douse blazes after a freight train loaded with oil derailed in Lac-Mégantic in Canada's Quebec province on July 6, 2013, sparking explosions that engulfed about 30 buildings in fire. AFP/Getty Images hide caption

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Oregon Gov. Kate Brown smiles after signing an automatic voter registration bill on Monday in Salem, Ore. Seventeen years after Oregon decided to become the first state in the nation to hold all elections by mail ballot, it is taking another pioneering step to encourage more people to cast ballots, by automatically registering them to vote. Don Ryan/AP hide caption

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Deputy Chief Mark Saunders speaks at a news conference in Toronto on Tuesday. A mysterious tunnel discovered in Toronto near one of the venues for this summer's Pan American Games contained a rosary with a crucifix and poppy. Police said there is nothing to suggest the tunnel was linked to criminal activity. Aaron Harris/Reuters/Landov hide caption

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Trucks move containers at the Port of Long Beach in California on Tuesday. Contract negotiations between dockworkers and shipping companies have led to a slowdown on the piers. Jae C. Hong/AP hide caption

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A duplex where a 19-year-old man was found dead is shown in Timberlea, Nova Scotia, on Friday. Royal Canadian Mounted Police say they foiled a plot to commit a mass shooting. Reuters/Landov hide caption

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The Supreme Court of Canada, seen here in a welcoming ceremony last October, has overturned the country's ban on physician-assisted suicide. Chris Wattie/Reuters/Landov hide caption

itoggle caption Chris Wattie/Reuters/Landov