From the bottom of the polls to the top of the pack, businessman Herman Cain won the Republican Party of Florida’s nationally watched presidential straw poll Saturday in a sign that frontrunner Rick Perry is in deep trouble. Cain’s victory with 37 percent of the vote was a major defeat for Perry, the frontrunner in Florida and national polls, who garnered only 15 percent after wooing the nearly 3,000 party faithful with a free breakfast and mailers. The vote also showed how soft Republican support is for Mitt Romney, who came in third with 14 percent. Unlike Perry, though, he...