[eno_]

That's true if you want 100% verifiability. But that is not needed. All you have to do is arrest enough fraudsters to deter the rest. If enough illegal immigrants are in jeopardy of being sent home, the union thugs that corral these people and take them to vote will have a harder time. Raise the costs high enough and it stops working.

[medved]

One other thing you could do woul be to end the war on drugs. Every drug offender thrown out of prison could be viewed as one more prison cell available for a democrat...