Voting machines around the United States are coming to the end of their useful lives. Breakdowns are increasingly common. Spare parts are difficult, if not impossible, to find. That could be a serious problem for next year's presidential elections.
Allen County, Ohio, election director Ken Terry knows how bad things can get. In the last presidential election, he had to replace the Zip disks — a 1990s technology — in the main machine his county uses to count votes. The disks are no longer made.