desired effect. governor greg abbott with us. good to see you. how long has this be in effect where teachers are armed or could be? >> sure. it's been in effect for several years now. more than 100 school districts in the state of texas where teachers are armed and authorized to be armed. neil, it's very important to understand, this is one of multiple tools in the tool box that needs to be used to address this issue. some people are looking for shortcut solutions. if reality, if we're going to reform this issue and address it, we need to tackle the big problems. that includes the mental health problems that cause people to be this way in the first place. everyone that committed one of these types of shootings has mental health challenges, two has been cleared to others in the community, sometimes law enforcement, that these are dangerous people. why law enforcement, why people in the community are not