Why is a veteran US diplomat under a federal counterintelligence probe?
@eliselabottcnn reports on @CNN TV.
Is a longtime diplomat a spy? FBI raids fmr. ambassador's home; security clearance pulled. Expert panel weighs in: http://cnn.it/go
The Spy Game. "It's tough to define who is a spy and what is spying," an expert says. @miguelmarquez has more: http://cnn.it/go @CNN