@CNN: Here’s why there is so little research on gun violence https://t.co/lUnJBHE4K9 https://t.co/Ovmee0fg3e
Here's why there is so little research on gun violence https://t.co/lUnJBHE4K9 http://pic.twitter.com/Ovmee0fg3e
— CNN (@CNN) October 6, 2017