... may be closer than they appear:

Pollster John Zogby: "The Democratic race in South Carolina is reminding me now of the beginning of the old Buffalo Springfield song: "There's something happening here/What it is ain't exactly clear."

"Obama maintains a 15-point lead, but he has dipped under 40%, losing ground, including a few points among African Americans. And nearly one in five African Americans is now undecided with just three days to go until the election. Still, his is a commanding lead with just three days to go.

"Edwards, meanwhile, has had his second good day since the Monday night CNN debate, in which he delivered a strong performance. He hit 19% support on Tuesday alone and then 27% support on Wednesday alone. And, on Wednesday alone, he pulled ahead of Clinton overall. He has pulled ahead among whites. Could he pull ahead of Clinton and finish in second place?

He's at it again.