Earlier this month, the investment firm founded by George Soros acquired over $400 million worth of debt owed by the nation’s second-largest radio network in a ploy to gain a stake in the media conglomerate, the latest in a series of media-related moves made by organizations tied to Soros. Soros Fund Management has acquired over $400 million worth of debt owed by Audacy, the nation’s second-largest network of radio stations, bankruptcy filings show. Soros and entities linked to him have previously poured money into local news operations, funded the acquisition of newspapers, purchased other ra…