Among wider samples of all registered voters, President Obama posts low approval ratings in each state -- 40 percent in South Carolina and 41 percent in Florida. South Carolina remains firmly in the GOP column; Cain, Perry and Romney all lead Obama in the state. In Florida, which will award 29 electoral votes to its winner, Obama has just a two-point lead on Romney, 45 percent to 43 percent, among registered voters. He posts larger leads on Cain (six percent) and Perry (eight percent). The South Carolina poll was conducted by the Poughkeepsie, N.Y.-based Marist College Institute for Public Opinion from Oct. 11-13, surveying 2,131 registered voters. Results for the full sample have a margin of error of +/- 2.1 percent. There were 639 likely Republican primary voters, for a margin of error of +/- 3.9 percent. The Florida survey was conducted Oct. 10-12, surveying 2,225 registered voters, for a margin of error of +/- 2.1 percent. There were 524 likely Republican primary voters; the margin of error for that subsample is +/- 4.3 percent. CLARIFICATION: This story has been updated. We originally reported the results as listed on MSNBC.com. Those results, however, did not include respondents who said they were leaning toward one of the candidates; National Journal Hotline policy is to report poll results "with leaners" when those data are available.
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