Antitrust enforcers on both sides of the Atlantic are grappling to get a handle on AI, a conference in Brussels heard yesterday. It's a moment that Antitrust enforcers on both sides of the Atlantic are grappling to get a handle on AI, a conference in Brussels heard yesterday. It's a moment that demands "extraordinary vigilance" and clear-sighted focus on how the market works, suggested top US competition law enforcers.