CNN CNN Newsroom With Poppy Harlow October 10, 2015 20:56:00
Bring up in the op-ed fascinating key 1997 supreme court decision really at the heart of this. what is that? >> the case is prince v. united states, but there's the general constitutional idea that the federal government cannot force the states to enforce federal government policy. now, why does that matter? in the case of guns, this database that we're talking about where we supposedly store mental illness information, the nics, is a federal database run by the fbi. that database is only as powerful as the information in it, and it relies on the 50 states to provide that information because t...