Vinh Nguyen, an expert in artificial intelligence and advanced mathematics, was among the current and former officials whose security clearances were revoked by the president.
Vinh Nguyen, an expert in artificial intelligence and advanced mathematics, was among the current and former officials whose security clearances were revoked by the president.
Lt. Gen. William J. Hartman, the acting N.S.A. director, asked to see evidence that the agency’s chief data scientist had done anything to merit the revocation of his security clearance.