Roof Knocking is the Israeli military's tactic of phoning Palestinians it is about to bomb. Before the Israeli Military bombs your house, it is not uncommon for many Gaza Strip residents to get a phone call. Can you imagine getting such a phone call, knowing it's serious, knowing they literally have got your number and have viewed within via drones? It happens a lot in this part of the world. Sawsan Kawarea, a resident of Khan Younis, said she was in her home earlier this week when the phone rang. She answered, and on the other side was 'David', who...