Kennedy leaves the stage after addressing environmental activists opposed to the Keystone XL tar sands pipeline project protest outside the White House in Washington

Reuters
Kennedy leaves the stage after addressing environmental activists opposed to the Keystone XL tar sands pipeline project protest outside the White House in Washington
Robert Kennedy Jr. leaves the stage after addressing environmental activists opposed to the Keystone XL tar sands pipeline project protest outside the White House in Washington, February 13, 2013. REUTERS/Jonathan Ernst
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