In a tense three-hour Senate Finance Committee hearing, Health Secretary Robert F. Kennedy Jr. faced fierce bipartisan scrutiny over his leadership decisions at HHS, the chaotic shake-up at the CDC, and sweeping shifts in vaccine policy. Senators demanded accountability—from firing key officials like CDC Director Susan Monarez to curbing access to COVID-19 vaccines and canceling mRNA contracts. RFK Jr.’s combative exchanges—including one senator labeling him a “charlatan,” and another grilling him over conflicting statements about vaccine safety—drove the drama. We’ll break down the most explosive moments, key takeaways, and what’s next in this brewing public health showdown.