What Google’s return to defense AI means

Google has discarded its self-imposed ban on using AI in weapons, a step that simultaneously drew praise and criticism, marked a new entrant in a hot field, and underscored how the Pentagon—not any single company—must act as the primary regulator on how the U.S. military uses AI in combat.On Tuesday, Google defended its decision to strip its AI-ethics principles of a 2018 prohibition against using AI in ways that might cause harm.“There’s a global competition taking place