WASHINGTON—Charges that election results might be rigged have moved from the fringes of U.S. politics to a central issue in the closing days of the 2016 campaign as Republican Donald Trump has repeatedly and without corroborating evidence suggested a fair outcome may be impossible. The 2000, 2004 and 2008 elections were hard-fought contests that all contained scattered allegations and conspiracies of fraud or mismanagement—most...

Source: Wall Street Journal October 19, 2016 22:07 UTC