A Healer of Terror Victims Becomes One
Dr David Applebaum, who spent years helping victims of terrorist attacks in Israel, is himself victim of latest bombing in Jerusalem, along with his daughter; was innovator in emergency medical services during his years of dashing to bomb sites; had just returned to Israel from New York conference dealing with terror attacks, during which he gave step-by-step presentation on how major bombings are handled at hospital in Israel; was in cafe in Jerusalem with his daughter Nava to discuss her upcoming marriage at time of suicide bombing; photos (M)