Computer storage devices containing sensitive military information stolen from the U.S. base here and widely available in shops last month are now hard to come by. The U.S. military has increased security measures to prevent Afghan workers from slipping the small portable flash drives into their pockets in order to sell them to shops near the main American base in Afghanistan, a U.S. spokesman and shopkeepers said Monday. One shopkeeper said Afghan workers on the Bagram base are now scrutinized carefully on their way out. “They even look in their shoes,” said the 40-year-old shopkeeper, who would only give his first name, Amruddin. Full Story