Chief Justice John Roberts swore in the president in the White House's Blue Room.
President Barack Obama has been sworn in for a second four-year term.Chief Justice John Roberts administered the oath of office today in the Blue Room of the White House. First lady Michelle Obama, daughters Sasha and Malia, and a few reporters witnessed the ceremony.
Obama will take the oath again on Monday during a public swearing-in at the Capitol before hundreds of thousands of people.