mr. becker on twitter. t. hooper writes in: what identification requirements are required to actually receive an absentee ballot other than a mailing address? >> guest: um, that again, also, varies by state. but in general if you've got information on your voter record and you've requested an act seven see -- absentee ballot consistent with that information, in most states that's going to be enough. of course, they will, again, check the signature to make sure once it's returned. but this raises a very, very important point which is that if mail voting or any kind of voting, even in-person voting is to work best, we really need to make sure the voter records are up-to-date with the most accurate information. we have research that indicates about 1 in 8 voter records is no longer accurate because of the possibly of the population. about 30% of americans have moved between presidential elections. and election officials don't have the tools, excuse me, to keep up with that mobility. so for mail balloting in parti