U.S. bolsters cyber defense for election, few new steps on violence

By Julia Harte and Dustin Volz WASHINGTON (Reuters) - Federal and state authorities are beefing up cyber defenses against potential electronic attacks on voting systems ahead of U.S. elections on Nov. 8, but few are taking new steps to guard against possible civil unrest or violence. The threat of computer hacking and the potential for violent clashes is darkening an already rancorous presidential race between Democrat Hillary Clinton and Republican Donald Trump, amid fears that Russia or other