WASHINGTON (AP) — A Russian propaganda campaign backed by the Kremlin that spread online disinformation in the United States and was boosted by artificial intelligence has been disrupted, the Justice Department said Tuesday.U.S. officials described the internet operation as part of an ongoing effort to sow discord in the U.S. through the creation of fictitious social media profiles that purport to belong to authentic Americans but are actually designed to advance the aims of the Russian governme...