They are now legal to grow in many states. Unfortunately still not going to find it in a grocery store most likely. I grow my own in the backyard so I can have some at least part of the year. They’re perennial, very easy to grow, and produce a ton of berries. Gooseberries were banned for similar reasons, but are now also legal in many states.
Some states have open primaries, you just vote in whatever one you want. Not every state requires registering with a party to vote in the primary.