we've seen isolated incidents before. some explicitly reflecting this right-wing politics. this definitely falls under this camp. this is not simply an issue of mental illness and access to guns. it's the kind of hyper partisan agitated talk that resonates that serves as a dark inspiration for this couple. >> bottom line, regardless of all of this, john, you can't explain crazy. when people do things like this, you want to apply reason to it, but often there's no reasonable explanation for a crazy act like this. john avalon, thank you so much. >> here's the point. words matter. ideas matter. and when people act on ideas they've incubated, there's a connection and it needs to be analyzed, discussed openly and directly. >> all right. it is discussed in your article on dailybeast.com.