It’s difficult to shock an Israeli military interrogator, but Yahya Sinwar did it. A former investigator with the Shin Bet security service was once asked what stuck in his memory from decades-ago interrogations of the late Hamas leader, and he replied that it was Sinwar’s admission that he forced a Palestinian man to bury his own brother alive. Sinwar had been worried that the man was “collaborating” with Israel. “His eyes were full of happiness when he told us this story,” the Israeli,