Police officers stand guard in a street during a riot in Stockholm, Sweden, Monday, May 20, 2013. Gangs of youth apparently angered by the police shooting death of an elderly man hurled rocks at police and set cars and buildings on fire in a Stockholm suburb, forcing the evacuation of an apartment block. (AP Photo Johan Nilsson)
Police officers stand guard in a street during a riot in Stockholm, Sweden, Monday, May 20, 2013. Gangs of youth apparently angered by the police shooting death of an elderly man hurled rocks at police and set cars and buildings on fire in a Stockholm suburb, forcing the evacuation of an apartment block. (AP Photo Johan Nilsson)
Washington Capitals left wing Alex Ovechkin (8), from Russia, and center Nicklas Backstrom (19), from Sweden, skate during a break in the action, in the first period of Game 5 first-round NHL Stanley Cup playoff hockey series against the New York Rangers, Friday, May 10, 2013 in Washington. (AP Photo/Alex Brandon)
Washington Capitals left wing Alex Ovechkin (8), from Russia, and center Nicklas Backstrom (19), from Sweden, skate during a break in the action, in the first period of Game 5 first-round NHL Stanley Cup playoff hockey series against the New York Rangers, Friday, May 10, 2013 in Washington. (AP Photo/Alex Brandon)
FILE - In this Thursday, May 9, 2013, file photo, the Artemis Racing AC72 catamaran, an America's Cup entry from Sweden, lies capsized after turning over during training in San Francisco Bay in San Francisco, Calif. Questions are being raised about the safety of the $10 million high-tech boats that can obtain speeds of 45 mph and how the death of British sailor Andrew Simpson's death will affect his team and the America's Cup itself. Simpson died Thursday when he became trapped underneath the vessel after it capsized. (AP Photo/Noah Berger, File)
New York Rangers goalie Henrik Lundqvist (30), from Sweden, skates to the bench during a timeout, of Game 7 first-round NHL Stanley Cup playoff hockey series against the Washington Capitals, Monday, May 13, 2013 in Washington. (AP Photo/Alex Brandon)
Washington Capitals left wing Alex Ovechkin (8), from Russia, and center Nicklas Backstrom (19), from Sweden, skate during a break in the action, in the first period of Game 5 first-round NHL Stanley Cup playoff hockey series against the New York Rangers, Friday, May 10, 2013 in Washington. (AP Photo/Alex Brandon)
New York Rangers goalie Henrik Lundqvist (30), from Sweden, blocks a shot during, Game 7 first-round NHL Stanley Cup playoff hockey series against the Washington Capitals, Monday, May 13, 2013 in Washington. (AP Photo/Alex Brandon)
New York Rangers goalie Henrik Lundqvist (30), from Sweden, blocks a shot during, Game 7 first-round NHL Stanley Cup playoff hockey series against the Washington Capitals, Monday, May 13, 2013 in Washington. (AP Photo/Alex Brandon)
