Despite flaws, paperless voting machines remain widespread in U.S.

By Andy Sullivan WASHINGTON (Reuters) - One in four registered voters in the United States live in areas that will use electronic voting machines that do not produce a paper backup in the November presidential election despite concerns that they are vulnerable to tampering and malfunctions, according to a Reuters analysis. In 2012, 27 percent lived in jurisdictions that used paperless systems.  "Clearly we still have a long way to go to ensure that all Americans have access to a form of vot