While for the benefit of those of us ignorant about guns, the New York Times reports on the AR-15 — weapon of choice among men intent on mass killing along with the many Americans “who want to be prepared for an Armageddon-type situation” — and petition drives and gun-control op-eds are putting pressure on the White House and Congress to take “meaningful action” to prevent another Sandy Hook massacre, gun manufacturers and arms dealings must be loving every minute of the current anti-gun fever. Why? Because every time the threat of new legislation looms on the horizon gun lovers rush to the store to stock up.