Republican presidential candidate, former Massachusetts Gov. Mitt Romney addresses the Rotary Club at the Red Hook Ale brewery in Portsmouth, N.H., Thursday, July 14, 2011. (AP Photo/Cheryl Senter) The Associated Press Republican presidential candidate, former U.S. House Speaker Newt Gingrich answers questions at a town hall meeting in North Charleston, S.C., on Tuesday, July 12, 2011. Gingrich, seeking the GOP presidential nomination, was on a two-day campaign swing through South Carolina. (AP Photo/Bruce Smith) The Associated Press FILE - In this May 25, 2011, file photo Republican presidential hopeful Tim Pawlenty speaks to the media in Washington. The former Minnesota Governor said Wednesday, July 13 2011, he won’t sign a pledge written by a conservative Iowa group that asks presidential candidates to denounce same-sex marriage rights, pornography and forms of Islamic law. He is the second major candidate to decline the pledge, following former Massachusetts Gov. Mitt Romney’s decision Tuesday. Two Republicans, Minnesota Rep. Michele Bachmann and former Pennsylvania Sen. Rick Santorum, have signed it. (AP Photo/Alex Brandon, File) The Associated Press Republican presidential candidate, Rep. Michele Bachmann, R-Minn. takes part in a news conference on Capitol Hill in Washington, Wednesday, July 13, 2011. (AP Photo/Susan Walsh) The Associated Press House Financial Services Committee member, and Republican presidential candidate, Rep. Ron Paul, R-Texas, participates in the committee's hearing on Capitol Hill in Washington, Wednesday, July 13, 2011, where Federal Reserve Chairman Ben Bernanke delivered the Semiannual Monetary Policy Report. (AP Photo/Carolyn Kaster) The Associated PressWASHINGTON (AP) — Mitt Romney leads all Republicans in the contest for campaign cash, outpacing his closest rival to announce numbers so far, Rep. Michele Bachmann, by a 3-to-1 margin in banked cash.That highlights his frontrunner status among contenders hoping to go up against President Barack Obama in 2012. Mitt Romney leads all Republicans in the contest for campaign cash, cementing his frontrunner status among contenders hoping to go up against President Barack Obama in 2012.Romney added more than $18 million to his account during the April-to-June fundraising period, aides said ahead of his official filing. That still came up short for his campaign's internal $50 million goal for the first half of this year.