Boone County election officials are already mailing ballots even as Missouri's congressional map fight heads back to federal court.
Boone County Clerk Brianna Lennon told the Missouri Independent that once a ballot is in a tabulator "you cannot pull a voted ballot back out and redo it," a real headache if the district lines change mid-count. Missourinet reports the U.S. Supreme Court has already sent the case back to the federal appeals court twice.