Presidential transition of Barack Obama he was sworn in as Vice President on January 20, 2009. Although he was sworn in for a seventh Senate term in early January 2009, he resigned from the seat on January 15, 2009, having served just over 36 years in the body. On November 24, 2008, Delaware Gov. Ruth Ann Minner announced that Ted Kaufman would serve as Biden's appointed replacement. Kaufman was sworn in on January 16, 2009. A special election was held in November 2010, which elected Democratic candidate Chris Coons. During his abbreviated final term in the Senate, Biden went on a diplomatic fact-finding trip to
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