John McCain won a comeback victory against great odds in the 2008 Grand Old Party presidential multicandidate race without a frontrunner. He capitalized on the winner-take-all Republican rules that awarded all of the delegates of a state to the candidate coming in first, even if winning by only a small plurality. Although he trailed several Republicans in money raised and in positive media coverage, he overcame these constraints by a strong leadership message that led to early primary victories. In the end, McCain won 25 of the 41 primaries. Unlike his 2000 campaign, he courted Republican identifiers and ran ahead of both Romney and Huckabee. He was strong among Independents and moderates and trailed only slightly behind Huckabee and Romney...