Politics | Barack Obama Obama Grabs Double-Digit Lead in SC Barack out in front 42% to 25%; race a key factor in contest By Rob Quinn Posted Jan 23, 2008 4:36 AM CST Copied Democratic presidential hopefuls Sen. Hillary Rodham Clinton, D-N.Y., listens as Sen. Barack Obama, D-Ill., speaks during a Democratic presidential debate in Myrtle Beach, S.C., Monday, Jan. 21, 2008. (AP Photo/Mary Ann Chastain) (Associated Press) Presidential hopeful Barack Obama holds a 42% to 25% lead over Hillary Clinton in the upcoming South Carolina primary, finds a Reuters/C-SPAN/Zogby poll released today. Race looks to be a key factor, with African-Americans, who made up just over half the poll sample, favoring Obama over Clinton 65% to 16%. Among whites, Clinton and John Edwards are nearly tied with 33% and 32%, while Obama trails at 18%. "Obama is doing very well among African-Americans, but getting a decent share of the white vote in a three-way race," commented a pollster. Most of the polling was done before Monday night's ill-tempered debate, when Edwards urged Clinton and Obama to stop squabbling. Preliminary polling done after the debate showed Edwards had made some slight gains. Read These Next A space capsule carrying ashes of 160 people crashed in the ocean. A lesson in minding your own business ... at 30,000 feet. The death toll in the Texas floods has risen to 27, including 9 kids. Desperate search for missing campers continues in Texas. Report an error