Watch the spot first and try to guess which part has been flagged as controversial before you click here to check your answer. I knew he’d get rapped for it the moment I saw the ad this morning, and if a dummy like me saw it coming, it’s hard to see how his ad team didn’t. Or maybe, having consumed online political media voraciously for the past six years (burp), my sense of what gets them to perk up is simply better honed than Team Sweater Vest’s? Either way, here’s the campaign’s adamant denial that they were equating anyone with anyone else. No worries, guys: Our bipartisan debt bomb will get us before the Iranian bomb does.

Dave Weigel calls this “Umbrage Bait” designed to offend Team O and get them talking about the (implied) charge. Maybe, but I’m not sure how that moves Santorum one inch closer to the goal line of beating Romney.