Written by DCist contributor Alex Hogan and Martin Austermuhle D.C. Mayor, City Council: Ok, so the September Democratic primary kinda took the air out of the District’s official mayoral election, but that doesn’t mean you shouldn’t go vote. Look for a crushing Democratic sweep, but give a little time and check out what the Statehood Green and Republican candidates, Chris Otten and David Kranich, respectively, have to offer. We’d like to think that someday their…