In the run-up to the South Carolina Republican primary, Gingrich launched ads criticizing Romney for causing job losses while at Bain Capital, Perry referred to Romney's role there as "vulture capitalism", and Sarah Palin pressed Romney to prove his claim that he created 100,000 jobs during that time. Many conservatives rallied in defense of Romney, rejecting what they inferred as criticism of free-market capitalism. During two debates in the state, Romney fumbled questions about releasing his income tax returns, while Gingrich gained support with audience-rousing attacks on the debate moderators. Romney's double-digit lead in state polls evaporated; he lost to Gingrich by 13 points in the January 21 primary. Combined with the delayed loss in Iowa, Romney's admitted poor week represented a lost chance to end the race early, and he quickly decided to release two years of his tax returns. The race turned to the Florida Republican primary, where in debates, appearances, and advertisements, Romney launched a sustained barrage against Gingrich's past record and associations and current electability. Romney enjoyed a large spending advantage from both his campaign and his aligned Super PAC, and after a record-breaking rate of negative ads from both sides, Romney won Florida on January 31, gaining 46 percent of the vote to Gingrich's 32 percent.