Vice President Joe Biden sworn in for second term

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WASHINGTON (CNN) — Vice President Joe Biden was sworn in to begin his second term of office Sunday, hours before President Barack Obama will do the same.

The ceremonies are taking place quietly, a day before Obama and Biden take their public oaths in front of the Capitol before a crowd on the National Mall.

The Constitution calls for the president to be sworn in on January 20.

Biden took his official oath shortly after 8 a.m. at the Naval Observatory, his official residence. Supreme Court Justice Sonia Sotomayor administered the oath. With his hand on a family bible, Biden vowed to support and defend the Constitution.

Obama’s oath is scheduled to take place at the White House shortly before noon.

Credit: CNN.