it. >> we talk about too many of these incidents in the days and weeks afterwards. governor scott lamenting what is and isn't happening. here is what of what he had to say. >> we have to change. we have to stop and say to ourselves, there's something wrong. why are young men willing to give up their life? why don't they value somebody else's life? we have to figure this out. >> you talk about the hardening of softer targets. we talk about security. there is also this other part of it that is -- it's much harder to see, of course, on the outside, which is the mental health aspect of it. there's been a lot made about it. there's been a lot of talk. have you seen any proposals that you think would make a difference? >> absolutely. hindsight for every enterprise is always 20/20. we sit back now and we look. i have talked to some police sources who said, this individual in particular, he had strange behavior. part of it was over the two-day