How can they NOT replace those voting machines? Every last blooming one of 'em!
Teams of investigators working on a test of the Ohio touch-screen voting system were able "to pick locks to access memory cards and use hand-held devices to plug false vote counts into machines. At boards of election, they were able to introduce malignant software into servers." (NYT report)
The new Ohio Secretary of State wants to replace all the hackable junk with optical scan systems, where voters mark paper ballots and feed them into readers. This is the system currently used in Watauga County.