Rasmussen has Romney 3 points ahead of Santorum 27-24 while the CNN poll has Mitt with a much bigger lead - 37-19 over the former Pennsylvania senator. Gingrich is in third place in both polls with 18% in both the Rasmussen and CNN surveys. The discrepancy may be due to the fact that Rasmussen completed his survey in a single day - January 5 - while the CNN survey was taken over January 4-5. Can't find the breakdown by day with the CNN poll but it could be that Santorum is surging dramatically on a day to day basis. That was the case in Iowa for Santorum and might explain why he is so much closer in the Rasmussen survey. From Rasmussen: The latest Rasmussen Reports telephone survey in the Palmetto State finds former Massachusetts Governor Mitt Romney still in the lead, earning 27% support from likely GOP Primary Voters, up from 23% in early November. Former House Speaker Newt Gingrich is in third with 18% of the vote, followed by Texas Congressman Ron Paul at 11%. Bringing up the...(Read Full Post)