A network of Russia-based websites masquerading as local American newspapers is pumping out fake stories as part of an AI-powered operation that is increasingly targeting the US election, a BBC investigation can reveal. A former Florida police officer who relocated to Moscow is one of the key figures behind it. It would have been a bombshell report - if it were true. Olena Zelenska, the first lady of Ukraine, allegedly bought a rare Bugatti Tourbillon sports car for 4.5m euros ($4.8m; £3.8m) while visiting Paris for D-Day commemorations in June. The source of the funds was supposedly American military aid...