Having trouble remembering who's in and who's out? Because the sitting Vice President is not running (thank God), this is the most open presidential race in 50 years. Here's a helpful break-down from CQPolitics.
Democrats
Officially announced (date of announcement)
• Connecticut Sen. Christopher J. Dodd ( Jan. 11, 2007)
• Former North Carolina Sen. John Edwards (Dec. 28, 2006)
• Former Iowa Gov. Tom Vilsack (Nov. 30, 2006)
• Ohio Rep. Dennis J. Kucinich (Dec. 12, 2006)
• Former Alaska Sen. Mike Gravel (April 17, 2006)
Established exploratory committee (date of filing with the Federal Election Commission)
• Delaware Sen. Joseph R. Biden Jr. (has publicly announced he plans to file with the Federal Election Commission later this month to establish a committee)
• Illinois Sen. Barack Obama (announced Jan. 16, 2007, that he is setting up an exploratory committee for a possible presidential campaign, which an announcement on whether he will definitely run or not by Feb. 10)
• New York Sen. Hillary Rodham Clinton (announced Jan. 20, 2007, ending months of speculation and placing her as the front-runner in the race.)
Widely mentioned
• Civil Rights activist Al Sharpton
• Retired Gen. Wesley Clark of Arkansas
• Former Vice President Al Gore of Tennessee
• Massachusetts Sen. John Kerry
• New Mexico Gov. Bill Richardson
Officially not running (date of announcement)
• Former Virginia Gov. Mark Warner (Oct. 12, 2006)
• Wisconsin Sen. Russ Feingold (Nov. 11, 2006)
• Former South Dakota Sen. Tom Daschle (Dec. 2, 2006)
• Indiana Sen. Evan Bayh (Dec. 15, 2006)
...
Republicans
Officially announced
• Attorney John H. Cox of Illinois (March 9, 2006)
Established exploratory committee (date of filing with the Federal Election Commission)
• Texas Rep. Ron Paul (filed papers with state authorities in Texas on Jan. 11, 2007, to establish a campaign exploratory committee, but has not yet filed with the Federal Election Commission)
• Arizona Sen. John McCain (Nov. 16, 2006)
• Former New York City Mayor Rudolph Giuliani (Nov. 20, 2006)
• Kansas Sen. Sam Brownback (Dec. 1, 2006)
• Former Wisconsin Gov. Tommy G. Thompson (Dec. 13, 2006)
• Former Virginia Gov. James S. Gilmore III ( Jan. 9, 2007)
• Former Massachusetts Gov. Mitt Romney (Jan. 3, 2007)
• California Rep. Duncan Hunter (Jan. 12, 2007)
• Colorado Rep. Tom Tancredo (stated Jan. 16, 2007, that he is setting up an exploratory committee for a possible presidential campaign)
Widely mentioned
• Former House Speaker Newt Gingrich of Georgia
• Nebraska Sen. Chuck Hagel
• Former Arkansas Gov. Mike Huckabee
• Former New York Gov. George E. Pataki
Officially not running (date of announcement)
• Former Tennessee Sen. Bill Frist (Nov. 29, 2006)