Obama wins South Carolina

Sen. Barack Obama scored a big victory in South Carolina tonight. With 99% of the votes counted Obama received 55% of the vote, Sen. Hillary Clinton received 27% of the vote and John Edwards came in at 18%.

SC had the largest African American voter turnout ever, at 53%, for a Democratic primary. Obama received 80% of that vote.

Exit poll results indicate just over half of Democratic primary voters were black this year -- what may be the highest turnout among African-Americans in any Democratic presidential primary at least since 1984, reports ABC News' Gary Langer. Women accounted for six in 10 voters, similar to their 57 percent turnout rate in 2004.

Democrats won again tonight as it the turnout was huge for this contest. More than 520,000 Democrats cast a ballot in this primary, compared to 442,918 for Republicans.

Edwards says he's staying in the race "for the long haul," to give voice to "all the people I am speaking for."

Senator Clinton is in Tennessee tonight, as we count down the next ten days to what is now being called Super-Duper Tuesday.