John Hickenlooper @Hickenlooper
Two decades after Columbine, families like Tom Mauser's are still calling for action to combat gun violence. They deserve better. Our kids deserve better. Washington needs to act. — PolitiTweet.org
Giffords @GiffordsCourage
Tom Mauser’s son Daniel was shot and killed at Columbine High School. Tomorrow, Tom will wear his son’s shoes to t… https://t.co/L57YHh07Mh