The recent spate of shootings in this city has a lot of people asking why it's happening and how concerned we should be about our safety. After two people were killed and three more injured in Chinatown early Sunday morning, those questions are being asked more and more. The shooting happened on Spadina near Nassau Street, when a gunman opened fire on a group of men outside a restaurant. It's the ninth homicide in the city this year. Eight of those killings involved firearms. That brings the number of shootings up by about 100 per cent over this month last...