Caption:WASHINGTON, DC - JANUARY 21: U.S. Vice President Joe Biden is sworn in by Supreme Court Justice Sonia Sotomayor as Dr. Jill Biden and Beau Biden look on during the public ceremonial inauguration on the West Front of the U.S. Capitol January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Photo by Alex Wong/Getty Images)
Caption:WASHINGTON, DC - JANUARY 21: U.S. Vice President Joe Biden is sworn in by Supreme Court Justice Sonia Sotomayor as Dr. Jill Biden and Beau Biden look on during the public ceremonial inauguration on the West Front of the U.S. Capitol January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Photo by Alex Wong/Getty Images)
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