Periscope NEWS, OPINION + ANALYSIS MIDDLE EAST Fifty years ago, on October 6, 1973, Egypt launched a surprise attack against Israel from the south on Yom Kippur, the holiest day of the year for the Jewish people. In a coordinated strike, the Syrian army simultaneously attacked from the north. The Arabs sought revenge and the recovery of territory lost to Israel in the 1967 Six-Day War, in which Israel’s army took control of the Sinai Peninsula, the Golan Heights, the West Bank and East Jerusalem. The Yom Kippur War, which lasted until October 24, was not the rout Egypt and Syria had hoped for. Instead, after many initial missteps, Israel was able to repulse the invading armies. One key to Israel’s advance in the south was getting across the Suez…