THE WHITE HOUSE WANTED SOUTH CAROLINA TO VOTE FIRST IN 2024. THE DEMOCRATIC NATIONAL COMMITTEE OBLIGED. IT HASN’T GONE ACCORDING TO PLAN. Last December, the 30-odd members of the Democratic Party’s rules and bylaws committee filed in to the Omni Shoreham, the glittering resort hotel that once hosted Franklin D. Roosevelt’s inaugural ball. All of the Democrats, many of them gray-haired habitués of the rubber-chicken circuit, knew they had come to Washington to hash out, after months of debate, wh