NEW : Blowout win for Obama in South Carolina . Clinton finishes ahead of Edwards , CNN projects . CNN 's Paul Steinhauser , Bill Schneider , Peter Hamby , Alexander Mooney , Suzanne Malveaux and Jessica Yellin contributed to this report . 47 percent decided on vote at least a month ago , exit polls indicate . Comment: ` I feel good about how things are moving right now ''
NEW : Blowout win for Obama in South Carolina . Clinton finishes ahead of Edwards , CNN projects . 47 percent decided on vote at least a month ago , exit polls indicate . Comment: ` I feel good about how things are moving right now ''