Pentagon officials can learn a lesson or two from shipping giant FedEx when it comes to preparing multibillion-dollar investment decisions in intelligence, surveillance and reconnaissance gear, according to a panel of Defense Department advisers. The reason, the group said, is that executives at the Memphis, TN-based company have embraced the idea of operations research to improve their decision-making. The term operations research, or OR, describes a collection of scientific analysis techniques used to measure risk and support complex decisions, often...