[BlueStateDepression]

No. A national ID card would establish aline between those who possess cards and those who don't.

If you have one you are legal and if you don't then you are not. What part about that do you not understand as the line of seperation?

[Doctor Stochastic]

If you have one you are legal and if you don't then you are not.

That's exactly the problem. One really want's the converse. In your version, the card is what counts, not the person.