Justice Clarence Thomas, face-palming. | Chip Somodevilla/Pool/AFP via Getty Images Allen v. Milligan, an Alabama redistricting case that is now before the Supreme Court for the third time, is a face-palm, wrapped in a head-desk, wrapped in some of the most incompetent legislative draftsmanship that has ever been presented to the justices. If Alabama Republicans have any sense, they will fire all of their lawyers. About a month ago, the Supreme Court decided Louisiana v. Callais, gutting the f