owners are legal gun owners and those who aren't legal gun owners are going -- if they use guns for the wrong reason, there's going to be a deterrent effect. >> gun makers are liable like everybody else. >> but there's different tracks to this because you've got to get the guns out there back in and there are millions. >> that's not going to happen. >> you can do buyback programs. >> and since australia did in 1996 they haven't had another mass shooting so yeah, you can do voluntary. >> you have to do multiprong. >> all right. still ahead. another power l congressman hangs it up on capitol hill. what's going on with that latest exodus from washington. >> and president trump attacks