Jerusalem's Traitor: Josephus, Masada and the Fall of Judea

Uncovers Josephus story, and asks again, of the man who, brought up a Jew, and having been a General in his country's army after Judea revolted against the Romans, later became a Roman citizen and a knight under Vespasian: was he a patriot trapped by circumstance; or a ruthless careerist, determined to survive whatever happened?