On the Zargari family's living room couch Esther, six, is reading to her little sister Avigail. The joy and wonder of hearing a child reading fluently is magnified. Seven months ago, I met Esther lying in silence, a giant ventilator heaving above her. Like everyone, I added my prayers that she wouldn't be the 24th casualty of the Bus No. 2 bombing. On Thursday evening, August 19, Esther's parents, Nava and Yaakov Zargari, took five of their six children on a summer outing to the Western Wall. They prayed and recited psalms for an hour. The night air turned chilly...