Richard Jefferson, a former CBS News producer who was brutally attacked while vacationing in St. Martin last year in a gay-bashing incident, is set to file a $50 million sexual-orientation discrimination lawsuit against CBS News, FishbowlNY has learned. Jefferson alleges that senior vice president Linda Mason tried to control his public comments in the wake of the attack, and wound up terminating him. CBS plans to "vigorously and aggressively" defend itself, according to a statement obtained by FishbowlNY late Sunday. "I thought I was in the Twilight Zone," Jefferson told blogger Kenneth Walsh recently. "I was back at work and...