WASHINGTON — Attorney General William Barr sought to “please add one point of clarification” at the end of his testimony Wednesday before a Senate appropriations subcommittee — and the veteran law enforcement official needed it.…

President Trump’s recently announced artificial intelligence initiative does not include the word “China.” But that country’s progress in the race to machine-learning supremacy has prompted calls for the United States to start running faster. Though…

WASHINGTON (AP) — Secretary of State Mike Pompeo said on Wednesday that the U.S. hopes to gain access soon to a former Marine who was arrested in Russia on espionage charges and that “if the…