have a mass shooting like this, it highlights it because it puts everyone on the edge, but we don't have those further conversations -- >> doesn't go on. we talk mental health, but we were talking to somebody who's part of the solution here in the crowd, two-thirds of homicide, death by person with guns, suicide. and what are we doing about that? let's continue the conversation. samuel from colorado. what is your question? >> i'm from columbine, representing that part of town in the country. so this is to do with pro-gun and anti-gun conversations and how polarizing it can be once it even comes up. so when those conversations happen, people are expecting them to disagree fiercely. and what they're not expecting