TownHall.com: Conservative Columnists: Robert Novak: [writing in 2001] "Disclosing confidential sources is unthinkable for a reporter seeking to probe behind the scenes in official Washington, but the circumstances here are obviously extraordinary....[W]hy break a reporter's responsibility to keep his sources secret? I wrestled with this question for months and finally decided that my experience with Hanssen contributes to the portrait of this most contradictory of all spies. Furthermore, to be honest to my readers, I must reveal it. "