NEW YORK (AP) - Democratic presidential candidate Al Sharpton's campaign manager has left the campaign. Frank Watkins said Tuesday that he and Sharpton's South Carolina coordinator, Kevin Gray, had resigned. Both men had worked on the Rev. Jesse Jackson's presidential campaigns in the 1980s. Watkins will remain an unpaid adviser to the campaign, Sharpton said in a news statement Tuesday. Watkins said he was stepping down for personal reasons and still will vote for Sharpton. Watkins will be replaced by political operative Charles Halloran, who is charged with reorganizing Sharpton's campaign, including auditing his fund-raising. Sharpton said, "I am delighted...