Democratic pollsters are buzzing about the possibility that the Rev. Al Sharpton, generally dismissed as a party gadfly, could actually score big in, of all places, the South. They reason that Big Al will be attractive to blacks, who make up a large chunk of Dixie Dems. Which leads to another topic hot in Democratic circles: If a favorite other than Sharpton doesn't become obvious by late fall, look for a strong effort to draft Sen. Hillary Rodham Clinton. The Iowa Democratic Party is already thinking that. We hear it wants Clinton as the featured speaker at an annual fall...