In re the FDA announcement that the crappy cold medicine on the shelves doesn’t actually work (hopefully most everyone already knew).
https://apnews.com/article/sudafed-decongestants-phenylephrine-pseudoephedrine-fda-0f140bafae9a500c5fba05fe764ecb66
We only had the crappy ones on the shelves because Sen. Dianne Feinstein wanted a law putting the stuff that actually works (pseudoephedrine + ibuprofen/acetaminophen) behind a counter, available by only by showing ID and getting put in a fed database to limit how often you buy it.
Because the war on drugs
2006: https://www.feinstein.senate.gov/public/index.cfm/press-releases?ID=7929ff4f-7e9c-9af9-770b-68728b8208b9