Pentagon officials concede the Defense Department's first-ever artificial intelligence principles are broad and somewhat vague, but say they are committed to the "hard work" of applying them into concrete actions, including through new contracting language and testing measures. Defense Secretary Mark Esper signed off on five overarching principles to guide DOD's development and use of AI this week. They commit DOD to using AI in a "responsible, equitable, traceable, reliable and governable" manner. The principles were first recommended by the...