Jevons called Cantillon's Essai the "Cradle of Political Economy." It was one of the few books quoted by Adam Smith and it deserves reading by any serious thinker of political economy today.
While the Second Amendment is a formidable barrier, experience suggests a mixture of bureaucratic regulation and court rulings could significantly empower the gun-control lobby.
No organization has more money at its disposal than the US government, which attracts thieves and con men at least in full proportion to its control of wealth.