Mitt Romney seems like a nice-enough guy, which is why the secretly recorded statement in which he insulted and belittled nearly half of American voters while speaking to a group of big-dollar donors in Florida in May is shocking. At the same time, his full-throated embrace of the worst of class and ethnicity-baiting ideas — and wrong ones, to boot — could be seen as a predictable outcome of an election cycle that favors attacks rather than matters of substance.