As the Government Accountability Office measures the merits of the Air Force's Long-Range Strike Bomber competition, the rival teams continue to battle publicly over the highly sought program. The ongoing tensions are an illustration of just how important this program -- which some analysts value at $100 billion through development and production -- is to both Northrop Grumman, which won the contract in late October, and the unsuccessful Boeing-Lockheed Martin team. Prime contractors are facing a limited slate of new...