Gucci Mane was allegedly kidnapped and robbed during a “coordinated armed takeover” of a Dallas music studio where fellow rapper Pooh Shiesty allegedly brandished an AK-style pistol and forced the rap mogul to sign a document releasing Shiesty from his recording contract, federal prosecutors said Thursday. In a criminal complaint filed in Dallas federal court and obtained by Rolling Stone, prosecutors allege Sheisty, born Lontrell Williams Jr., “was upset with the terms of his [recording] contract” and set up a meeting with Mane, whose legal name is Radric Davis, to discuss the matter. The complaint identifies Mane by his initials,...