U.S. lawmakers had been engaged this week in serious conversations about whether to jam a stablecoin regulation amendment onto the Federal Aviation Administration reauthorization legislation, which is approaching a deadline. Such efforts to use that bill for other business were rebuffed by leaders favoring a so-called clean bill, so the leading stablecoin negotiation between House Financial Services Committee Chair Patrick McHenry (R-N.C.) and its top Democrat, Rep. Maxine Waters (D-Calif.), will return to talks on a final deal, said the aide, who requested anonymity because the negotiations aren’t public.