Gun runners worldwide were shocked late last year when the found the price of the favorite ammunition, the 7.62x39 (diameter and length, in millimeters) round used in the AK-47, doubled in price. For decades, this 7.62x39 was the cheapest rifle ammo available, selling for as low as ten cents per round. Even the highest quality ones rarely sold for more than twenty cents a round. But suddenly, hardly anything was under twenty cents, and the reason was massive orders from the United States. The Americans were laying in supplies for their Iraq and Afghan allies. Both of these nations had...