President Obama is sworn in, again

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University of Washington graduate and NASA flight director Bobak Ferdowsi, with "NASA" cut in his hair walks with the NASA - Orion Multi-Purpose Crew Vehicle and Curiosity Rover during the 57th Presidential Inaugural Parade on Pennsylvania Avenue, Monday, Jan. 21, 2013 in Washington. Thousands marched during the 57th Presidential Inauguration parade after the ceremonial swearing-in of President Barack Obama. (AP Photo/Alex Brandon)
Photo by Alex Brandon
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