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ARLINGTON, VA - MAY 5: U.S. President Barack Obama (R) and U.S. Vice President Joe Biden sit at a table with their cheeseburger lunch orders at Ray's Hell Burger May 5, 2009 in Arlington, Virginia. Obama and Biden made an unannouced vist to the Arlington restaurant. (Photo by Roger L. Wollenberg-Pool/ Getty Images)

ARLINGTON, VA - MAY 5:  U.S. President Barack Obama (R) and U.S. Vice President Joe Biden sit at a table with their cheeseburger lunch orders at Ray's Hell Burger May 5, 2009 in Arlington, Virginia. Obama and Biden made an unannouced vist to the Arlington restaurant.   (Photo by Roger L. Wollenberg-Pool/ Getty Images)