Barack Obama lays down the smack in South Carolina's presidential primary. Obama won by an enormous 28-point margin, prompting Bill Clinton to afterwards comment that this was no big deal because Jesse Jackson, who is a black man, like Barack Obama, won South Carolina when he ran for President, and did he mention that Barack Obama is black just like Jesse Jackson? (Also black: Al Sharpton, Louis Farrakhan, and that R&B star that had......