Following 9/11, intelligence indicated numerous links between al-Qa'eda and Algeria. It began to look as though the roots of jihad could be traced back to the war in Algeria that began 50 years ago.

Over the past years, I have lectured many times on the Cuban missile crisis, most provocatively to 200 senior officers of the former Soviet army in Moscow in 1991, among them KGB generals. There, my knowledge of Penkovsky's role was thoroughly confirmed, and so was the Soviet military men's residual sense of humiliation at Khrushchev's 'blink'.

Though Washington had closed down for the holidays, the next day, December 26, a key message from Hanoi brought Kissinger racing back to his office. It was the signal the White House had anxiously been awaiting; it was also the day of one of the biggest raids by the giant B-52s.

In 1939, Fitzroy Maclean, a gangly Highland aristocrat in his early 30s, was serving as a British diplomat in the U.S.S.R. Disgusted by the Soviet show trials, he quit the Foreign Service and would go on to serve with Tito's partisans fighting the Germans in Yugoslavia.