NATIONAL HARBOR, MD -- Air Force Secretary Frank Kendall said today that while Congress plays a key role in enabling the Defense Department to deter threats from China and Russia, the service won’t succeed unless it’s authorized to shed old platforms and invest in new technology. Speaking today at the Air Force Association’s annual Air, Space and Cyber Conference here, Kendall said that while he understands the political dynamics and parochial concerns of lawmakers, “local politics can be counterproductive to...