Can you provide proof of US citizenship on demand?
Are you willing to do so every 50 miles or so on this nation's roads, or whenever a cop decides that he's had a rotten day and wants to share the wealth?
I think it's called protecting your border. Do you guys live in a border state?
Yes, I do.
What about the rest of what dirtboy and I chronicled?
Berlin-Wall construction? Minefields? Truly massive troop deployments? AC-130s blasting away at anyone crossing the Rio Grande? Yes, people have advocated all this.