The young Palestinian man working in a service station in Jerusalem couldn't grab his phone quickly enough. I'd asked him whether things had been different for him, a Palestinian working in a predominantly Jewish neighbourhood, since the Hamas attack in southern Israel. "Look at this," he said, playing a video on his phone. The video showed a Jewish man walking into the service station to get petrol. In Israel, you often need to pay for petrol before you put it into the car. The man walked in and — realising that the attendant was Palestinian — began shouting at him:...