Voter I.D.

There's been a bunch of talk recently about requiring a government-issued photo I.D. along with a voter registration card at a polling place, and the various problems associated with doing so. I see a solution, and it's so simple I can't be the only person thinking this: 

Make the voter registration card a photo I.D. 

How hard can that be? Hell, my Sam's Club card has my picture on it, surely the State of Texas can figure it out. And you want to go one better? Engineer it in such a way that residents of a border state can use it as I.D. to leave and enter the country from their home state instead of a passport.