Until they change their address with the registrar of voters.
The sad thing is, Foreman would have been a GREAT choice. He turned the Audobon Zoo and the Aquarium of the Americas from disgraces to national treasures. He has JUST the right leadership abilities to get things done, and is about as far from corrupt as you can get.
I personally think Heinlein's ideas about voting are making more and more sense. You HAVE to serve in the military to EARN the right to vote. Anyone can serve, but it takes the responsibility away from those who just want to vote themselves a free ride.