Brian recently said a court struck down the FDA's reg regarding the labeling of tobacconists as manufacturers. He's jumped the gun, I'm afraid. What the court did was tell the FDA its legal grounds for that reg were weak and that it must come up with other grounds. Alas, it ain't over yet.
Details here: https://hobbynothabit.blog/2018/05/25/preliminary-court-win-but-its-not-over-yet/
Details here: https://hobbynothabit.blog/2018/05/25/preliminary-court-win-but-its-not-over-yet/