this has been studied to death by experts, (Score 1)

and the only thing you need besides the voter-verified paper is a minimum of 5% automatically-triggered random audits.

We have it in New Mexico because we formed a voter group, studied it with experts, formulated the desired system, and made it happen.
http://www.votersunite.org/info/newmexicoaudits.asp
http://www.verifiedvoting.org/
http://www.uvotenm.org/