Another 27 percent use an optical scan system, in which people fill in paper ballots that are read by optical reading machines. Bill Kimberling, deputy director of the FEC's office of election administration, said no system is perfect. You're not going to get perfection. She said Maricopa County, which includes Phoenix, changed to the system in 1996 and has had good results. Voters are issued a plastic card similar to the electronic keys to hotel rooms and insert it into a machine in a voting booth.
Voters touch a circle next to a name and a green check mark shows.
Voters can change their minds and double-check their vote before pressing a key to register it. Is a ballot with a hanging chad valid or not. Lawsuits and more suits. Produced by Newsday Electronic Publishing.