It looked like a casting call for a Sam Pekinpah shoot-'em-up: 100 or so gun enthusiasts showed up at the Buckhorn Grill in Walnut Creek, Calif., this month with revolvers strapped on their hips. "We're not politically involved," the restaurant manager declared as he agreed to serve the supporters of Open Carry, a group that goes around flaunting gun owners' right — under a benighted California law — to pack weapons in public. Four days later, the chief of the... (GunPolicy.org)