Senator Bill Cassidy (R) speaks on the latest with his HALT Fentanyl Act and the dismantling of the U.S. Department of Education.

So far this year, Senator Cassidy said passing his ‘HALT Fentanyl Act’ in the Senate was one highlight in Washington. His bill permanently places fentanyl-related substances as a Schedule I drug.

Secretary Robert F. Kennedy’s Wednesday announcement that autism is likely caused by environmental toxins has driven a number of his formerly faithful supporters to start doubting his agency’s ...