Rick Hasen: “With early voting already underway, one might think that the rules of the game for November’s election are set, and that it will all just come down to turnout, as the cliché goes. Well, not so fast. In North Carolina, Georgia, and Nebraska, at least, Republicans have been looking for ways to make last-minute changes to the rules to their advantage in the hopes of eking out a presidential victory for Donald Trump that seemed all but assured a few months ago.” “Although most of them are unlikely to matter, the one in Nebraska just might work.”