Tonya Wilkerson, the nominee to become the new under secretary of defense for intelligence and security, said at a Senate Armed Services Committee confirmation hearing today that China remains the U.S.’s main challenge, a threat that, if confirmed, she would focus on. “If confirmed, my priorities will include delivering information at the scale and speed to provide decision advantage over competitors, paced to the global challenge of the [People’s Republic of China]; enhancing the security and counterintelligence focus across the...