Vaccine Policy OverhaulTrump EO requires millions of individual MMR shots (no standalone shots exist, manufacturing years away). Sen. Cassidy criticizes. White House aide Overton nominated as FDA commissioner.Sources (2)Trump names White House policy aide Dr. Heidi Overton as next FDA commissionermybasin.comTrump Taps White House Advisor to Run FDA After Turmoilbloomberg.comUpdated Aug 24, 2026