On the eve of tomorrow’s hotly contested and relatively close Democratic presidential primary in Pennsylvania, a number of voting activists are sounding the alarm one last time about the state’s election systems. Over 85 percent of PA voters will vote on paperless touchscreen machines that are hackable, failure-prone, and fundamentally unauditable. 

— "PA primary will be unauditable; GOP blocks e-voting reform" by Jon Stokes in Ars Technica