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Hillary Clinton Status: Announced The former first lady is now in her second term as the junior senator from New York. |
Rudy Giuliani Status: Announced The two-term mayor of New York City once ran for U.S. Senate, but dropped out in 2000. |
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Barack Obama Status: Announced The former lawyer and state senator won a U.S. Senate seat in Illinois in 2004. |
Fred Thompson Status: Announced A former U.S Senator from Tennessee also is known for acting, including his "Law and Order" role. |
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John Edwards Status: Announced The former U.S. senator from North Carolina was the Democratic 2004 vice presidential candiate. |
John McCain Status: Announced The U.S. senator from Arizona ran for the GOP presidential nomination in 2000, but lost to George W. Bush. |
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Bill Richardson Status: Announced The New Mexico governor has also served in the U.S. House and as U.N. ambassador and U.S. energy secretary. |
Mitt Romney Status: Announced The former Massachusetts governor made an unsuccessful run for the U.S. Senate in 1994. |
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Joe Biden Status: Announced The lawyer is serving his sixth term as U.S. senator from Delaware, and once ran for president in 1988. |
Mike Huckabee Status: Announced Before he was a governor of Arkansas, Huckabee served as pastor to several churches. |
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Chris Dodd Status: Announced Dodd has been a U.S. senator from Connecticut since 1981. |
Ron Paul Status: Announced The U.S. House member from Texas and medical doctor ran as a Libertarian for president in 1988. |
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Dennis Kucinich Status: Announced Kucinich represents an Ohio district in the U.S. House and also ran for the '04 Democratic presidential nomination. |
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Mike Gravel Status: Announced The former U.S. senator from Alaska now heads up a non-profit firm promoting civics and education. |
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