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 United States . . . Italy . . . Canada . . . Sweden . . . Germany . . . ... United States . . . Italy . . . Canada . . . Sweden . . . Germany . . . ..…