It was only a matter of time before attack ads started running about Elizabeth Warren taking credit for creating Occupy Wall Street’s “intellectual foundation.” Dave Weigel argues the ad is unfair, and it’s true that Warren has walked back her original comments a bit. But she handed the MassGOP a gift by linking herself to the movement, even just ideologically, and it would have been more of a surprise if her comments never made it to video:

But beyond whether the attack is fair, I wonder whether it’s actually effective. Warren’s camaraderie with OWS isn’t nearly as controversial in Massachusetts as it would be in a red state. Warren may be a far-left progressive, but the same can be said for a lot of Massachusetts voters – many of whom probably support OWS and admire Warren for standing up for the movement. Obviously that could change if the violence and mass arrests we’ve seen in Oakland and other cities moves to Boston. But for now, attack ads like this might not be persuasive in turning voters against Warren.