A new SurveyUSA poll in South Carolina (Dec. 7-9, 470 Dem LV, MoE +/- 4.6%) shows Obama catching up to Clinton.

Clinton 44 (-3 vs. last poll, Nov. 9-11)
Obama 40 (+7)
Edwards 11 (+1)

Clinton leads the RCP Average for South Carolina by 5.4 points