Rep. Don Beyer @RepDonBeyer
Most of the worst mass shootings in modern US history happened after Columbine. Congress did nothing to help, and has even made laws weaker https://t.co/HlaR2HzSDX — PolitiTweet.org
TIME @TIME
This is the deadliest year for mass shootings in U.S. history https://t.co/LFExbIGMnt