Vice President Joe Biden, with his wife Jill Biden holding the Biden Family Bible, takes the oath of office from Supreme Court Justice Sonia Sotomayor, surrounded by family, during an official ceremony at the Naval Observatory, Sunday, Jan. 20, 2013, in Washington. Family members from left: Maisy Biden, R. Hunter Biden, Noami Biden, Finnegan Biden, Natalie Biden, Kathleen Biden, Hunter Biden, Ashley Biden, Howard Krein, Beau Biden, Hallie Biden. AP Photo/Carolyn Kaster)
Vice President Joe Biden has been sworn in to a second term.
The 70-year-old Biden took the oath of office from Supreme Court Justice Sonia Sotamayor during a private ceremony Sunday at the U.S. Naval Observatory, the vice president's residence.
Biden and President Barack Obama will take the oath of office again on Monday during a public ceremony at the Capitol.