PHNOM PENH — Just after a Honda pickup truck screeched to a halt beyond the decommissioned Soviet-era Antonov aircraft, four resolute-looking Chinese men with a military escort climbed out, slammed the doors shut and neatly arranged a series of firearms they had been carrying on a nearby table. Once the pistols' magazines were loaded with shiny golden bullets, they began emptying round after round into paper targets at a distance of 25 meters, or 82 feet. Nearby,... (GunPolicy.org)