LAS VEGAS -- Mining. Cattle-ranching. Machine gun rentals. If you're a Berkeley-bred crunchie that combination is the stuff of nightmares. If you're entrepreneur Billy Conn, however, it's a living. And, thanks to a weak dollar and ever-tightening firearms laws, business at the machine gun range is good. Conn will only say that the privately-held Las Vegas Gun Range & Firearms Center is a "multi-million" dollar business. However tough firearms laws, a weak dollar, and... (GunPolicy.org)