Created in 1951 to ensure the future of an embattled Israel, the Mossad has been responsible for the most audacious and thrilling feats of espionage, counterterrorism, and assassination ever ventured. Gordon Thomas's 1999 publication of "Gideon's Spies," resulting from closed-door interviews with Mossad agents, informants, and spymasters as well as from classified documents and top-secret sources, revealed previously untold truths about the Israeli...