When the nation's largest voting machine manufacturer, Election Systems and Software, acquired the voting machine business of Diebold, the nation's second-largest manufacturer, it set off alarms for anyone who cares about election integrity. The combination meant that 70 percent of the nation's voting machines would be provided by just one company.
File photo, election workers in Cleveland, Ohio, downloading results from a Diebold touch-screen voting machine, 11/05/09. (photo: Jamie-Andrea Yanak/AP)
