Biden Picks Former F.D.A. Chief to Lead Federal Vaccine Efforts
President-elect Joseph R. Biden Jr. has chosen Dr. David Kessler to help lead Operation Warp Speed, the program to accelerate development of Covid-19 vaccines and treatments, according to transition officials. Dr. Kessler, a pediatrician and lawyer who headed the Food and Drug Administration during the presidencies of George Bush and Bill Clinton, has been a…