Romney: The Castor-Oil CandidateRepublicans are finding the prospect of nominating Mitt hard to swallow. Nominating Mitt Romney is sort of like taking Grandma’s castor oil. Republicans are dreading the thought of downing their unpleasant-tasting medicine but worry that sooner or later they will have to.By any logical political calculus, the former Massachusetts governor is an ideal presidential candidate. Ramrod straight, fit, and well-educated, he knows all sorts of facts and figures and comes across like a cinematic chief executive.At any other time, an informed technocrat like Romney would seem a dream candidate. Yet in the run-up to this election, Americans...