The soldiers did not mark no-go zones they created in Gaza. They waited for civilians to unknowingly step into them and promptly shot them dead. Then they watched on their surveillance screens as roaming dogs ate the corpses.NAZA, the documentary film that won five awards at the Venice Film Festival, takes its name from Israel Defense Forces (IDF) jargon for human collateral damage. Specifically, it refers to the number of people soldiers are permitted to kill in an attack on a single Hamas target. In an exercise to assassinate one suspect, for instance, they had the go-ahead to kill 500...