WASHINGTON – A veteran FBI agent Thursday charged that corruption inside the bureau derailed investigations that could have averted the terrorist attacks on America on Sept. 11. His lawyers said the FBI had evidence that the World Trade Center was a possible terrorist target. In a memo written 91 days before Sept. 11, the man, Special Agent Robert G. Wright Jr., warned that Americans would die as a result of the FBI's failure to investigate terrorists living in this country. Wright went public at a press conference even though FBI Director Robert Mueller ordered him to stay in Chicago and...