In a complex intimidation operation, Democratic voters in at least four battleground states including Florida and Pennsylvania have been sent emails purporting to come from the neo-fascist group Proud Boys. Officials did not lay out specific evidence for how they came to pinpoint Iran, but the activities attributed to Tehran would mark a significant escalation for a country some cybersecurity experts regard as a second-rate player in online espionage. The announcement was made at a hastily called news conference 13 days before the election. The allegations underscored the U.S. governments concern about efforts by foreign countries to influence the election by spreading false information meant to suppress voter turnout.”]