An Insider Advantage poll, commissioned by Politico, finds 50% of South Carolina voters think Gov. Mark Sanford (R) should resign from office following his odd press conference and disappearance related to an extramarital affair. Forty-two percent said he should remain in office.

I.A. surveyed 926 registered voters yesterday shortly after the governor's afternoon press conference.

A SurveyUSA poll, which Tom mentioned earlier, found 60% of voters in the state think Sanford should resign.