Keystone pipeline protest at the White House

Demonstrators marched around the White House Sunday worried that the Keystone XL pipeline will accelerate climate change.

Arthur Marshall, of Washington, D.C., is joined by his two sons (not in photo) as he shouts out in a chant during a short rally in front of The White House to protest the Keystone Pipeline, in a march which began at Freedom Plaza, in Washington, D.C., Sunday, Nov. 18, 2012. (Rod Lamkey Jr./The Washington Times)

Arthur Marshall, of Washington, D.C., is joined by his two sons (not in photo) as he shouts out in a chant during a short rally in front of The White House to protest the Keystone Pipeline, in a march which began at Freedom Plaza, in Washington, D.C., Sunday, Nov. 18, 2012. (Rod Lamkey Jr./The Washington Times)

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