By breaching the servers of the Democratic National Committee and posting nearly 20,000 internal emails online, suspected Russian government hackers appear to have significantly expanded a tactic that Kremlin intelligence agencies have been using in Europe for years: using cyberweapons to try and manipulate elections and sway public opinion.
Foreign Policy: Moscow brings its propaganda war to the United States
A Hillary Clinton supporter holds up signs during Day 1 of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, July 25.
