Former Vice President Joe Biden speaks at a campaign event in New Hampshire. Biden came under fire from fellow Democrats after his remarks on working with segregationists during his time in the U.S. Senate.
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Ras Baraka (right) is greeted by supporters after casting his vote Tuesday in Newark, N.J. Baraka defeated Shavar Jeffries, a former state assistant attorney general, for the mayoral office Cory Booker occupied from 2006 until October 2013.
Sen. Bill Frist (left) gives a mock smallpox vaccine during a training session in 2003. Frist, a surgeon, once gave CPR to a visitor who collapsed in a Senate office building.