The office of Russia’s infamous troll factory believed to be at the vanguard of Russia’s information war has been set on fire in St. Petersburg overnight. An investigation revealed last year that the secretive troll factory had rebranded itself as a media conglomerate with 16 news websites generating more than 30 million pageviews every month. Its operational hub, a website called FAN (Federal News Agency), is based a stone’s throw from the troll farm’s original location in northern St. Petersburg. The Fontanka.ru news website cited police as saying that an unknown suspect broke the agency’s ground-floor window and threw a...