Should we treat domestic terrorists the way we treat ISIS? Daniel Byman on what works — and what doesn’t. The Las Vegas shooter didn’t just “snap” — they never do. Thoughts and prayers: Patrick Blanchfield on the mass shooting in Las Vegas. Las Vegas is only the deadliest shooting in US history because they don’t count black lives. Why gun violence research has been shut down for 20 years. The research is clear: Gun control saves lives. Maggie Koerth-Baker on how mass shootings are a bad way to understand gun violence. Amid talk of banning bump stocks for guns, retailers are selling out of the devices.