With John McCain's "straight talk express" off the tracks and headed over a cliff, questions have surfaced about who most would benefit by a McCain collapse. According to this new Hotline poll, Rudy would come out the big winner if McCain dropped out of the race: The Diageo/Hotline poll out today shows a big lead for that generic Democrat running for president, up 51% to 27% over the generic Republican. But the big news here is John McCain. If the Senator from Arizona drops his White House bid, the poll shows a huge proportion of his voters will flock to former New York City Mayor Rudy Giuliani. The Democratic race continues to solidify as a two-way race, as Clinton and Obama both picked up significant support. Meanwhile, Fred Thompson gains double-digit support from May, putting him in a statistical tie with front-running Giuliani. The numbers are interesting in that particular scenario: Republicans Giuliani 20 (-6) F. Thompson 19 (+10) McCain 17 (nc) Romney 8...(Read Full Post)