I’ve always been opposed to having to register with a party to vote but these days I think it might be a good idea. When there isn’t a democrat primary challenger, it frees up a lot of democrats to step on the GOP primary.
that is partly my argument, if we are making folks register as republicans to vote in Republican primary, then it would stop a lot of Dem crossovers, because say what you will about inner city liberal democrats, about the last thing you could get them to do is register as a republican.