Josh Marshall is underwhelmed by it:
According to Mitt advisors, one of their key hits against Gingrich will be that he’s a flip-flopper. And this won’t just hurt Newt, apparently, it will also serve to inoculate Romney from charges that he’s a flip-flopper.
Did you hear that? Pushing the flip-flopper issue against Gingrich will help Romney? There are plenty of ways to hit Newt and by any reasonable measure he’s a very vulnerable candidate. But for Mitt Romney to push the idea that Newt’s a flip-flopper seems wildly nuts — one of those over-clever ideas that political operatives are spinning out to reporters all the time but usually wise-up before actually trying.
The Dish 