JERUSALEM -- Wadi Haddad, a notorious Palestinian militant leader who masterminded several plane hijackings, was poisoned in 1977 with chocolate crafted by Israeli spies from Mossad, a new book reveals. In Striking Back, written in English, Aharon Klein confirms suspicions that Israel's intelligence agency killed the leader of the Popular Front for the Liberation of Palestinian (PFLP), whose love for chocolate was well known. According to Klein, a Palestinian Mossad operative offered Haddad a box of Belgian chocolates that had been spiked with poison. Haddad died several months later in a rundown hotel in East Germany after doctors were unable...