I have heard nothing at all that would indicate that the shooter in Newtown would have been barred from buying guns or that his mother would have been barred from owning guns, even if the improvements suggested had already been made.
The anti-gunners are always after the next thing to pass, even when the next thing would not have solved the problem. The last thing to pass has never made any difference.
Without the federal FFL system, many of the infringements in Kalifornia would be hugely impractical to implement. These are all infringements and are simply another example of the courts ignoring the clear intent of the Constitution.
Gov’t limiting a ‘right’ is a none starter. Perhaps we should ban criminals and others from free speech and other rights that we have. But more worrisome, is that Mr. Cruz starts off his decision that the Gov’t ‘should’ be able to deny gun ownership for a individual. So that's a Constitutional conservative these days? A federal background check, etc. No. Gov't always, and will abuse power.