No, as far as full, nationwide martial law is concerned, it would be literally, logistically impossible. It would require more than twice the number of troops the government has in every branch combined.

No. Whatever harm is caused by a shutdown is vastly outweighed by the harm of acquiescing to fascism. We are the people affected by a government shutdown. We are the people he supposedly represents. We are telling him to vote No.

If he doesn't, his legacy as a collaborator is sealed.