your social security number. so what if the voters used another form of i.d. when they initially registered to vote, what happens? >> well, you've asked the right question. the trick to this whole thing is, is that whenever a voter first registered, perhaps decades ago, they gave either a social security number or probably a driver's license number. now, you have to remember all those years ago which number you gave and is in your permanent record with the voter registration file and guess what that number is for you to put on your new application and that number must match what's on the voter registration roll and if it doesn't match, it's an automatic rejection. now, here's the thing. the common sense thing is to tell voters, well, right both numbers on your application, your social security number, and it's just the last four digits, or your driver's license number. except the new state law prohibits election officials