Three good articles in the WSJ today:

The first exposes the holes in the federal database used for background checks, due to many states failing to provide the necessary records.
Background records lacking

The second is an opinion piece by a former DC prosecutor (who claims to dislike guns) detailing how the DC ban was a total failure, even before it was overturned in Heller.
DC Ban Failed to Curb Gun Violence

Another op-ed piece looks at the mental health initiatives proposed in CO, which are being largely ignored by the press in their haste to focus on gun-control initiatives only.
HIckenlooper's Gun Control

Such a long, long time to be gone, and a short time to be there.