This is a MedPage Today story. Robert F. Kennedy Jr.'s statements before the Senate Finance Committee on Wednesday revealed a concerning lack of knowledge about the major health programs he'd oversee, should he be confirmed as HHS secretary. On several occasions during the 3.5-hour hearing, Kennedy seemed to conflate Medicare, Medicaid, and Medicare Advantage, and appeared to mistakenly refer to the Affordable Care Act health exchanges. "Medicaid is not working for Americans, and it's sp...