Second inauguration of Barack Obama 1937, the 4-year term of the President and Vice President have ended and begun at noon on January 20, as prescribed by the Twentieth Amendment to the United States Constitution. Because January 20, 2013, fell on a Sunday, both Obama and Biden were officially sworn in privately, and then again the following day in a public ceremony. This was the seventh time since the start of James Monroe's second term in office, in 1821, that the oath of office was officially administered in a Sunday private ceremony. Chief Justice John Roberts administered the oath of office to the President on
Vice President of the United States became moot. In the 2008 Democratic presidential primaries which pitted Hillary Clinton against Barack Obama, Clinton suggested a Clinton-Obama ticket with Obama in the vice president slot as it would be "unstoppable" against the presumptive Republican nominee. Obama rejected the offer outright saying "I want everybody to be absolutely clear. I'm not running for vice president. I'm running for president of the United States of America" while noting "With all due respect. I won twice as many states as Sen. Clinton. I've won more of the popular vote than Sen. Clinton. I have more delegates than Sen. Clinton. So, I