Senate Majority Leader John Thune (R-S.D.) has proposed a 45-day extension of the nation’s surveillance authorities under the Foreign Intelligence Surveillance Act (FISA) to avoid the possibility that those powers expire at the end of the day, Thursday. Thune is moving a short-term extension of the warrantless spy powers under Section 702 after telling reporters that the bill passed by the House to extend those powers by three years is “dead on arrival” in the Senate. Thune warned House Republican colleagues on Wednesday that their FISA bill couldn’t pass the Senate if it included language to prohibit the Federal Reserve from establishing a central bank digital currency (CBDC). Despite the warning, House Republicans moved ahead with a plan to add the CBDC ban to the extension of FISA’s Section 702 authorities, putting Congress on the brink of those powers expiring at midnight without a clear path forward.…