A few years ago a high up Democrat appointee in Obama’s Administration publicly stated that the goal was to have border checks between the states, that you had to have a passport to travel between the states.
Watching the news now is like reading a John Brunner novel.
Notably The Shockwave Rider published in 1975.
Yep, Soviet-Style internal passports, if you want to move to a new city, you have to get approval.