Stock Photo Description: With his family by his side, Joe Biden is sworn in as the vice president of the United States by Supreme Court Justice John Paul Stevens in Washington, D.C., Jan. 20, 2009. More than 5,000 men and women in uniform are providing military ceremonial support to the presidential inauguration, a tradition dating back to George Washington's 1789 inauguration. (DoD photo by Master Sgt. Cecilio Ricardo, U.S. Air Force). Stock photography by Department of Defense Public Domain.