Former Delaware Senator Joe Biden was elected the 47th U.S. vice president with President Barack Obama in 2008. He earned a second term as vice president when Obama was re-elected to the presidency in 2012.
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The 41st president of the United States, George H.W. Bush served as vice president under Ronald Reagan. He is the father of George W. Bush, the 43rd president.
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George W. Bush was the 43rd president of the United States. He led his country's response to the 9/11 attacks in 2001 and initiated the Iraq War in 2003.
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Bill Clinton was the 42nd president of the United States, and the second to be impeached. He oversaw the country's longest peacetime economic expansion.
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When Hillary Clinton was elected to the U.S. Senate in 2001, she became the only American first lady to hold national office. She became the 67th U.S. secretary of state in 2009, serving until 2013.
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American politician Howard Dean is best known for running for the 2004 Democratic presidential nomination.
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Bob Dole is a former member of the U.S. House (1961-69) and U.S. Senate (1969-96) from Kansas. In 1996, he was the Republican Party's candidate for the presidency.
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John Edwards served in the U.S. Senate from 1998 to 2004. He was the Democratic vice-presidential nominee in the 2004 election, and twice ran for president.
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Al Gore was the 45th Vice President of the United States from 1993 to 2001. He is also known for his work regarding environmental issues.
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Jon Huntsman, former governor of Utah and U.S. Ambassador to China became a candidate for the Republican Party nomination for President in 2012.
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Senator John Kerry has supported free trade, expansive foreign and military policy and education spending. In 2004, he was a democratic presidential nominee.
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John McCain is a military hero and Republican U.S. Senator defeated by Barack Obama in the 2008 United States presidential election.
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Barack Obama is the 44th and current president of the United States, and the first African American to serve as U.S. president. First elected to the presidency in 2008, he won a second term in 2012.
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Sarah Palin, McCain's 2008 running mate, is the second woman and first Republican female to run for vice president on a U.S. major party's ticket.
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Former Massachusetts Governor Mitt Romney made a run for the Republican nomination in the 2008 presidential election, losing to John McCain. He made another run for the presidency in 2012, but was defeated by President Barack Obama.
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U.S. Representative Paul Ryan is a Republican from Wisconsin known for his conservative positions. In the 2012 presidential election, Ryan was the running mate of Republican nominee Mitt Romney, who was defeated by President Barack Obama.
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