Supreme Court Justice Sonia Sotomayor administered the oath of office to Biden in the Naval Observatory, the vice president’s official residence.
Sotomayor was the first Hispanic and the fourth woman to swear in a president or a vice president. After Sotomayor administered the oath, Biden kissed the justice and thanked her.
He told guests that Sotomayor was due in New York City.
"I want to explain to you what a wonderful honor it was, and how much out of her way the Justice had to go. She is due in New York. She has to leave right now. So I apologize. We're gonna walk out," said Biden. "Her car's waiting so she can catch a train -- I hope I haven't caused her to miss.
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