Arms Buildup: A senior weapons developer tells Congress that Beijing's massive defense buildup, emphasizing precision-guided and other advanced weapons, has placed the U.S. and its shrinking military at serious risk. 'I am very concerned about the increasing risk of loss of U.S. military technological superiority," Frank Kendall, deputy undersecretary for acquisition, said Wednesday. "We're at risk, and the situation is getting worse." He was testifying before the House Armed Services Committee at a hearing on the subject of defense and technological change. The Chinese were paying attention to U.S. military dominance in the early 1990s after we won the arms...