Op-Ed Contributor FIFTY years ago tomorrow — on Oct. 29, 1956 — Israeli paratroops were dropped deep behind Egyptian lines in the Sinai peninsula, opening the way for the ground troops that followed. In a lightning campaign lasting less than five days, the Israelis took control of the entire peninsula. The Israelis had a rendezvous at the Suez Canal with the armed forces of Britain and France. But the British and French stopped short of their goal. Like out of shape ex-champions attempting a comeback, the Europeans were unable to get past the first round in their effort to return...