For over two decades, OTA helped Congress to navigate complex science and technology issues. After its defunding in 1995--a casualty of Congress’s dramatic downsizing--the issues piled up. What to do about the reprocessing of spent nuclear fuel? Should the federal government invest more or less in carbon capture and sequestration? What to make of 5G and CRISPR? Of AI and AVs? Congress’s experts disappeared, but the issues didn’t.