Welcome to the Twilight Zone, I mean, Iowa

In Iowa, Mitt Romney has launched a campaign to, in the words of Chris Cillizza, "redefine former Gov. Mike Huckabee (Ark.) as too liberal for the voters of Iowa."

He has a shot. Conservatives like Bob Novak are already pointing to Huckabee's relatively liberal record on fiscal policy, and the new Romney ad campaign highlights some of Huckabee's positions on immigration as governor.

But what I think is really interesting about this ad is how it hides the threats to Romney's social-conservative credentials in plain sight. The ad points to conservative positions on abortion and gay marriage as two points of similarity between Romney and Huckabee, sweeping under the rug Romney's flip-flopping on choice and previous opposition to constitutional gay marriage bans for Massachusetts and for the U.S.