are misleading negative advertisements against him including one that claims that rick santorum voted to allow felons to vote in elections. here's santorum's response. >> i've just run into this with governor romney's super pac today. he's got an ad out that says i voted to let felons vote. now, it's very interesting. i did vote in the united states senate that someone who served their time, came out of jail, had served parole and probation and after all of that sentencing, then they could go out and apply and have their voting rights back. by the way, the exact law that's in south carolina. now, governor romney has taken that and said rick santorum is for felons voting. and that's a lie! >> unlikely that the romney or paul campaigns will take down those ads because as we head into these final days, gretchen, things with tightening up and i would expect that the ads will