Drones and lone wolf attacks are key concerns as FBI works to secure 11 World Cup cities (opens in new tab)

By Holmes Lybrand, CNN HUNTSVILLE, AL (CNN) — On Thursday, the first whistle blew, ushering in the largest sporting event the US has ever hosted — or secured. Millions of foreign fans are expected to descend across the country for the World Cup, with the US hosting 78 matches across 11 cities and countless more The post appeared first on <a href="