When he started his job as Israel Defense Forces chief of staff two and a half years ago, Lt. Gen. Aviv Kochavi said, “Our goal is fielding a lethal army.” Kochavi kept that promise, and last week was especially lethal. On Tuesday, IDF soldiers shot and killed a 41-year-old Palestinian. According to the army, he was shot because he was moving quickly toward a group of soldiers with an iron bar in his hand and didn’t stop even after the soldiers shot in the air. But it turns out the dead man was a plumber, and he frequently came to that area to open the main valve. The IDF said, “The incident w