The Russian firm Izhmash (Izhevsk Mechanical Works) holds the patents for the AK-47, and it is going broke because of all the illegal copies of its weapons being produced worldwide. Izhmash is having little success in trying to force companies in Bulgaria, Romania, Poland, Israel, China and the United States to pay licensing fees for the AK-47s they produce. The typical defense is that it is a much improved rifle, with only a superficial similarity to the Izhmash AK-47. Some claim that Russia abandoned the AK-47 design in the 1970s, when they switched to the 5.45mm AK-74. Actually, the original...