Colorado has universal background checks, a red flag law and the city of Boulder recently passed an assault weapons ban. None of it was enough to stop a man from shooting and killing 10 people at a Boulder grocery store this week. State Rep. Tom Sullivan, whose son was killed in the 2012 Aurora movie theatre shooting, reacts to the events of this week — and tells NPR why he still believes incremental action at the state level can help prevent gun violence. Additional editing help in this episode from Bente Birkeland of Colorado Public Radio. In participating regions, you'll also hear from local journalists about what's happening in your community.Email us at considerthis@npr.org.