In four battleground states – Pennsylvania, Virginia, Florida, and Colorado – glitches in electronic-voting machines could produce erroneous tallies that would be difficult to detect and potentially impossible to correct, a Monitor analysis finds.
Touch-screen electronic voting machines in at least four states pose a risk to the integrity of the 2012 presidential election, according to a Monitor analysis.
In four key battleground states – Pennsylvania, Virginia, Florida, and Colorado – glitches in e-voting machines could produce incorrect or incomplete tallies that would be difficult to detect and all but impossible to correct because the machines have no paper record for officials to go back and check.
While many state officials laud the accuracy of e-voting machines, mechanical and software failures are not a new problem. What makes the risk more serious this year is that polls project a close election, and e-voting problems in any of the four states in question could affect who wins the presidency.
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"No matter how unlikely it seems now, there's a chance that this election will be so close that it could be flipped by a single voting machine problem in a single place in any one of those states," says Edward Felten, a professor at Princeton University in New Jersey who has analyzed e-voting machine weaknesses. "To avoid that, it's key to have a record of what the voter saw – and that means having a paper ballot or other paper record."
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