I think they are pretty open, now, if you are a US citizen (I am). Although there is a federal police force "guarding" them, so they could be closed instantly.

I think they are pretty open, now, if you are a US citizen (I am). Although there is a federal police force "guarding" them, so they could be closed instantly. If it looks like that might happen, I'll have to leave, or risk staying. Right now, that doesn't seem likely to happen in the immediate future.