to say we regulate cars and we can regulate guns in the same way and he has facts on his side. there is a perception in america too often that this is tragic and there is nothing that we can do about it. we know that missouri lifted gun restrictions and the homicide gun rate rose 25%. connecticut at the same time passed new handgun restrictions and the homicide rate from firearms fell 25%. you know, there's still going to be a lot of gun violence in america. but at the margins we can effective. >> douglas brinkley let's talk about what he is proposing, expand background checks for private sales. hire more back ground checkers. research gun safety technology. is this -- you know, do you think any of this is going to work? especially when you look at the