Republicans have been racing to decry Idaho senator Larry Craig as “disgusting,” “disgraceful” — the words chosen respectively by Mitt Romney and John McCain. In the competition to appear utterly pitiless, Romney pulled ahead fast. The Massachusetts Adonis himself seems perfect in every way, inhumanly so — except for precisely this same vaguely inhuman quality that, I predict, will prove to be the Achilles heel of Romney’s candidacy. Though Craig had served as one of Romney’s chief cheerleaders in the Senate and co-chairman of his Idaho campaign, the candidate dropped him without giving the slightest hint of compassion or concern...