As far as whether they can take them, please turn your attention to New Orleans immediately after the big blow.
They were collecting them all over the place.
Pretty hard to argue with a squad of armored men with automatic weapons all trained on you.
Pretty easy to talk about "not mine - - - Never mine" when faced with a keyboard and screen.
Get real folks, if it comes to pass, they'll enact legislation criminalizing ownership, then just wait for all the "felons" to surface.
Trigger control + Breath control + Sight alignment = Gun Control.
NRA Smallbore Prone Master, High Power Master