Hillary Unleashed in New Romney Ad: "Shame on You, Barack Obama!"

Hillary Unleashed in New Romney Ad: "Shame on You, Barack Obama!"

I was wondering if and when Team Romney would dust off some of 2008's oldies but goodies to use as a cudgel against The One, and now we have our answer:
 

Our first hints that Romney would target the Hillary vote arose during the firestorm over Hilary Rosen's attacks against Ann Romney, but this spot takes the tactic to a much more overt and aggressive level.  Will it work?  On one hand, last cycle's PUMA ("party unity my a**") phenomenon among disaffected Clinton backers...