Russian authorities in Sverdlovsk Oblast recently arrested three heavily armed Chechans who were carrying a security pass giving them access to a nuclear weapons center.Russia's government owned newspaper Rossiyskaya Gazeta reported last week that the Chechans carried an AK-47 assault rifle with a silencer, two pistols, eight grenades, 400 grams of plastic explosive, detonators, and remote controlled triggers.The pass gave the three men access to the closed city of Lesnoy, where Russia produces nuclear warheads.Authorities first thought the pass had been forged. But later investigation showed it to be authentic. It was issued to Roman Tasukhanov, whose father served in...