1. Don’t assume criminals follow laws.
In a way, this goes right to the heart of the gun-control debate. It is a conservative talking point that only the law-abiding will follow — and thus be disarmed by — gun laws.
Jared Loughner left his house that day intending to assassinate Representative Giffords. There is absolutely no reason to believe that a more restrictive concealed-carry regime would have changed that. If he was willing to violate laws against murder, he was willing to violate laws against concealed carry. Suggesting otherwise just shows that you haven’t bothered to think things through.
A "cooling off period" has been employed in some places, requiring a gun buyer to wait a few days to pick it up from the store. Perhaps what would serve society better is a requirement for a cooling off period before anyone tries to pass poorly conceived law that won't solve the problem it is trying to address or make any of us safer.