Senators Are Set to Question Weldon, Trump’s Pick to Head the C.D.C.

It is the first time the Senate has been called upon to confirm a C.D.C. director. Dr. Dave Weldon has close ties to Robert F. Kennedy Jr., the new health secretary.

Federal Agency Dedicated to Mental Illness and Addiction Faces Huge Cuts

The Substance Abuse and Mental Health Services Administration has already closed offices and could see staff numbers reduced by 50 percent.

RFK Jr. Rattles Food Companies With Vow to Rid Food of Artificial Dyes

Mr. Kennedy told executives of major food companies that he wants synthetic colors removed from their products. “Decision time is imminent,” a trade group warned its members.

Senators Press Marty Makary on Abortion Pills and Vaccines

At a hearing, Dr. Marty Makary, the nominee for F.D.A. commissioner, fielded questions focused on whether he would review or reopen certain policy areas.

Cod Liver Oil? Vaccines? A G.O.P. Skeptic Confronts Kennedy’s Fine Line on Measles

After voting to confirm Robert F. Kennedy Jr. as health secretary, Senator Bill Cassidy, a doctor and Republican of Louisiana, is embracing “the gestalt” of Kennedy’s measles response.

Horticulturalists, Biologists, Engineers: Federal ‘Bloat’ or Valued Experts?

President Trump’s effort to remake the government is a direct challenge to a decades-long effort to build a civil service stocked with experts. Critics say it will backfire.