Kozo Okamoto, the Japanese militant who took part in a deadly attack on Tel Aviv’s airport more than five decades ago, died on Thursday in Beirut, the Palestinian group that had been protecting him said. He was 78. The Popular Front for the Liberation of Palestine, a faction that is the second-largest group in the Palestine Liberation Organization, said that Okamoto had been ill for a long time. Okamoto, who made rare public appearances since he settled in Lebanon after being released from...