The postal service is America’s original all-access speech platform. Long may it thrive. https://www.washingtonpost.com/outlook/2020/08/18/cutting-back-us-postal-service-would-hurt-lifebood-democracy/

It would be really fun to research and write about the postal service as a model of platform regulation. I even have some notes on point. But I’ll probably never get around to it, and have not systematically researched. So here are a few thoughts / some free association. 2/

There’s con law about when and how the govt can make the USPS exclude content. In Lamont, the S Ct struck down a law requiring it to block foreign propaganda mailings by default. Recipients could then opt IN to receive the mail, putting their name on a govt list to do so. 3/