https://static01.nyt.com/images/2017/11/06/opinion/how-to-reduce-shootings-1509990040812/how-to-reduce-shootings-1509990040812-facebookJumbo-v5.jpg nytimes.com opinion 2017-11-06 Sweden . . . france . . . canada . . . germany . . . Australia . . . italy . . . spain . . . ... Sweden . . . france . . . canada . . . germany . . . Australia . . . italy . . . spain . . . ..…