WHEN FBI COUNSEL COLLEEN ROWLEY DROPPED her bombshell, a now-famous letter to the director, detailing how bureau higher-ups thwarted attempts to investigate accused 20th hijacker, Zacarias Moussaoui, before the September 11 attacks, she set off a firestorm. The scorching produced a mea culpa of sorts in June from FBI Director Robert Mueller and a promise of reform. Now there's another whistle blower telling a similar pre-9/11 tale. And so far, the FBI has gone to great lengths to silence him. The Weekly has learned that Chicago-based special agent Robert Wright has accused the agency of shutting down his 1998 criminal...