Gun violence has gone down substantially since early 1990s.

来源: 于 2018-08-25 18:55:22 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Social media,  mobile web, and 24/7 TV make it look worse than it really is:

https://en.wikipedia.org/wiki/Gun_violence_in_the_United_States#/media/File:Ushomicidesbyweapon.svg