On last night’s Republican presidential candidates debate in Iowa, as William Buckley used to say, a few observations. Mitt Romney: He has the frontrunner role nailed, and his canned responses on Romneycare and Bain were enough to deflect attention last night. He escapes relatively unscathed for the moment. But his defense of Romneycare is a defense in substance of Obamacare. And his comments on his work at Bain haven’t improved much since his debate with Teddy Kennedy in 1994. He is one cold fish. Rick Santorum: I admired him greatly as a United States Senator, but his wipeout by Bob...