South Africa's Desire Wilson was the next woman to enter a race in 1980, and it has been almost 20 years since Giovanna Amati drove for Brabham in 1992, but recently there have been reports claiming that Renault will sign Maria de Villota as the team's third driver.
Booker would enter the race as a strong favorite to keep the seat in Democratic hands, though Democratic Rep. Frank Pallone may also be mulling a run.
But with a July 11 deadline to submit petitions to enter the race for the Sept. 10 primary, it could be tough to put together a campaign and fundraising apparatus.
If enough candidates enter the race, 15% could be a large enough share of the vote to reach the general election though hardly to win it, especially for someone festooned with Mr Duke's baggage.
Judd's decision not to enter the race leaves the Democratic Party in search of a candidate.
In recent weeks, Gore has been the target of a campaign to persuade him to enter the 2008 presidential race.
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Mrs Bachmann, a darling of tea-party activists, seems likely to enter the race.
Enter Mr O'Malley, a fresh-faced lawyer who sauntered into the race barely three weeks before the filing deadline.
Enter Thomas Voeckler who was an inspiration, continually defying the odds as race leader for a time.
Commentator Tucker Carlson told a group of state legislators in early August that he was convinced that Christie would enter the race in October or November.
It says its decision to enter the presidential race -- reversing repeated pledges to sit out the contest -- was made to maintain a smooth transition of power in Egypt, where a military junta took power after Mubarak's ouster.
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