George McGovern -- who had supported Clinton -- called on her to drop out of the race.
She suggested that Palin drop out of the race out of respect for the privacy of her family.
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Scott Brown called on Akin to drop out of the race because of the "outrageous, inappropriate and wrong" comments.
Despite rumors that Edwards would drop out of the race, or suspend his campaign, he announced he would continue.
He's Klein's campaign manager, who butts heads with Bash and Jared Franklin (Breckin Meyer) over the candidate's decision to drop out of the race.
Frequently, the official second place finisher in the presidential race got there by his or her dogged refusal to drop out of the race.
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The 1972 Democratic presidential nominee said he urged Clinton to drop out of the race, saying it was virtually impossible for her to win the nomination.
Clinton has faced calls to drop out of the race because she trails Obama in delegates won, states won and the popular vote this primary season.
Two GOP sources with direct knowledge of Giuliani's plans said he will drop out of the race and endorse McCain at an event in California on Wednesday.
One mayoral hopeful, former City Council Member Sal Albanese, a Democrat who is polling lower than Mr. Liu, urged the comptroller to drop out of the race.
In the days immediately following Iowa and New Hampshire, many political observers predict that several candidates who perform worse than expected, or worse than they expected, could drop out of the race.
But more serious, the interview's been considered such a disaster by some of Palin's former supporters among conservative columnists, that some of them are now calling on her to drop out of the race.
John Edwards, the former senator from North Carolina and 2004 vice-presidential nominee, was the most recent candidate to drop out of the race, having failed to score a win in any of the early contests.
Former New York City Mayor Rudy Giuliani is expected to drop out of the race and throw his support behind McCain, as the Arizona senator's campaign builds momentum going into next week's Super Tuesday contests.
But for all Wahid's maneuvering skills, the presidency would have remained a distant possibility had it not been for the dramatic events that caused Habibie to drop out of the race barely hours before the vote.
Santorum has hinted at a "next time around, " pointing out this week that his situation now is similar to that of another conservative: Ronald Reagan, who faced calls to drop out of the race in 1976.
Mr Abolfotoh has also profited from the decision in January by Mohamed ElBaradei, the former director of the International Atomic Energy Agency and an important figurehead for Egyptian liberals, to drop out of the race in protest at the army's handling of the transition.
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Still, the race to squeeze out that last drop of the lemon and create room for much needed discretionary spending rages on like never before.
But another moderate candidate in the race, ex-GOP state chair Mike Hellon, refused to drop out of the contest, and Graf benefited from a split opposition.
Grossman's comments fueled speculation that Dean, who was the front-runner in the race before stumbling in Iowa and New Hampshire, would drop out of he failed to win Wisconsin, and that he may be about to lose some of his staff.
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