Defense Secretary Jim Mattis hosted a group of defense company executives at the Pentagon today and has an additional meeting scheduled for Thursday to discuss the Defense Department's key priorities, including the security of classified information, Inside Defense has learned. The meeting was attended by Boeing Defense Space & Security CEO Leanne Caret, according to a company spokesman. A Lockheed Martin spokesman declined to comment when asked if CEO Marillyn Hewson had attended. Inquiries to other large defense companies went...