I don't see that sign helping Scott brown. Mass. voters are moderates, and attacking her on her blood line and not her policies is a poor move.
They're about as "moderate" as Pol Pot. However, they're all laughing at Elizabeth Warren. No matter how biased a voter might be, they have a hard time pulling the lever for the target of so much well-deserved ridicule.
I personally thought Brown would win over Warren. He seemed more moderate, and her ideas were a bit too liberal and divisive. However the tomahawk video, the Indian jabs, the princess billboards.... I think you lose voters when you stoop to ugly politics.