Few schisms in American life run as deep or as wide as the divide between gun rights and gun control advocates. Awash in sound and symbol, the gun regulation debate has largely been defined by forceful rhetoric rather than substantive action. Politicians shroud themselves in talk ofindividual rights or public safety while lobbyists on both sides make doom-and-gloom pronouncements on the consequences of potential shifts in the status quo. In America today there are between 250 and 300 million firearms in private hands, amounting to one weapon for every American. Two in five American homes house guns. On the one hand, most gun owners are law-abiding citizens who believe they have a constitutional right to bear arms...