This is not rocket science. A myriad of states offer same-day voter registration, including California, Colorado, Connecticut, Hawaii, Idaho, Illinois, Iowa, Maine, Minnesota, Montana, New Hampshire, Vermont, Wisconsin, Wyoming and the District of Columbia. The most unusual permutation of this is to offer same-day registration only on early voting dates. Only one other state (North Carolina) has done that. How would Maryland handle same-day registration? One presumes it would look a lot like early voting same-day registration, but the specifics have yet to be worked out. At the earliest, the option won’t be available to voters until the 2020 election.