Diaa, a middle-aged father and husband, was a polite host at his family home in one of the refugee camps in central Gaza. But you could see his pain. "Please come in. This is Abdullah's room." ...

In Abdullah's empty bedroom, Diaa hugged his son's school bag. "My darling boy. His smell is still on it. May God have mercy on you, my son, forgive you, and accept you in the highest ranks of ...