Whodunnit? Here is why it is unlikely that Rudy Giuliani, Fred Thompson or any top-tier challenger to Mitt Romney had anything to do with the wave of anti-Mormon, Anti-Romney phone calls in Iowa and New Hampshire. Think about the reward. Would the questions asked by the firm elicit any meaningful data for the campaign who wrote them? Would the relative reward of a few dozen voters changing their minds about Romney because of his Mormonism be worth the avalanche of embarassment and ill-will that would accrue to the candidate who authorized the phone calls? Political consultants aren't stupid -- they...