The Glock pistol is America's Gun. It has been rhapsodized by hip-hop artists and coveted by cops and crooks alike. Created in 1982 by Gaston Glock, the pistol arrived in America at a fortuitous time. Law enforcement agencies had concluded that their agents and officers, armed with standard six-round revolvers, were getting "outgunned" by drug dealers with semi-automatic pistols; they needed a new gun. With its lightweight plastic frame and large-capacity...