In the event the federal government dissolved, what would happen to the Native American reservations

[Donerail]

So does this mean that marijuana is de facto legal for anyone with recognized Indian status in Tulsa, Oklahoma? (Which as we learned from Update applies to quite a few people in Oklahoma who definitely would not be considered Indian in any other context.)

More or less, yeah. It also means, as the Tenth Circuit recently ruled in Hooper v. City of Tulsa, that municipal governments like Tulsa cannot enforce city ordinances against Indians. Instead it has to refer them to the tribes for prosecution.

[Okay, maybe Mike Johnson is a competent parliamentarian.]

They would be at war with white supremacist militias.

This definitely is the implication of a certain position expressed early in this thread, yes!