After more than a decade as the familiar voice welcoming audiences to 'Wheel of Fortune,' Jim Thornton's tenure ended not with a farewell spin but with a quiet termination notice, the result of an internal investigation whose findings Sony Pictures Television Studios has chosen not to share with the public. The incident at the center of it all — a passenger complaint on an American Airlines flight in May — was resolved by law enforcement in minutes, yet proved consequential enough for a studio to sever a fifteen-year relationship. In the space between what authorities concluded on a Los Angele