The images of the first health care workers receiving coronavirus vaccines in mid-December was the good news story we all needed at the end of a hard year.

But as we moved into 2021, a more sobering reality emerged. Distributing and administering the shots has proven to be a complicated and confusing process, leading to delays.

Diane’s guest today, Elisabeth Rosenthal, saw much of this coming. She is the editor-in-chief of Kaiser Health News, a contributing opinion writer for the New York Times and author of “An American Sickness: How Healthcare Became Big Business and How You Can Take It Back.”