Political pundits have long discounted former New York City Mayor Rudy Giuliani's presidential prospects, claiming that his particular brand of tough-talking, socially moderate conservatism would never play south of the Mason-Dixon Line. But Rudy has never been one to listen to conventional wisdom, and lately at least, he has been turning up the heat in southern conservative political circles. In just the last week, he endorsed Texas Republican Gov. Rick Perry for re-election and met with Evangelicals in Florida. Most impressively, he actually outpaced U.S. Senator John McCain in a just-released Georgia poll, garnering the support of 28 percent of...