The Bridge program, which began July 1, makes some Medicare beneficiaries eligible for obesity drugs for $50 a month. CVS and Walgreens say they've each already filled 100,000 such prescriptions.

The Supreme Court's stay, which allows the administration to execute the firings for now while it litigates in federal court, does not mean the terminations were lawful.

A committee of experts that advises the Centers for Disease Control and Prevention is critical in setting national vaccine policy. It's also vulnerable to political interference.