It's possible. It would take funding. Who knows, I might even get called in to help design it.
If you are referring to the FFL dealers system, then yes, it is a rudimentary version. It is hardly ready for general public use though.
Not really. Criminals will always find ways to get what they want.
Answer me this - If we passed Feinstein's bill as she proposes it currently, how much of a reduction in murders by these weapons would we see in GA? Remember, we are starting with an average number of 17 murders committed per year with rifles overall from 2004-2011. What number of these 17 per year do you think would not be murdered by other means?