Sen. Obama now has a commanding 50%-30% lead in South Carolina as the black vote invests themselves in Barack Obama.
Compared to an identical SurveyUSA tracking poll completed 3 weeks ago, before Christmas and before the Iowa Caucuses, when Clinton and Obama were effectively tied, Obama is up 11 points, Clinton is down 11 points, a 22-point swing. John Edwards is unchanged, 17% on 12/19/07 and 16% today. There is across-the board movement away from Clinton to Obama. Among women: Clinton had led by 17 points, now trails by 14 points. Among blacks, Obama had led by 20 points, now leads by 46. Among white voters, Obama had been 3rd, is now 2nd, tied with Edwards, the two of them 9 and 10 points back of Clinton.