Just before dawn on May 31, 2010, a team of Israeli commandos boarded a Turkish ship to enforce a blockade against the terrorist organization Hamas in Gaza. As they came aboard, the Israelis were assaulted by a violent faction of Islamic militants. A melee followed in which several of the commandos were seriously injured and nine of the Turkish militants were killed. The clash was over before the sun came up. It was still daylight when, 5,600 miles away, the Israeli delegation to the United Nations was summoned to appear before an emergency session of the Security Council to be...