In “Eureka Day,” changes were made to a scene because “the laughter was so robust backstage, they couldn’t hear the cues.”

Two U.S. companies teamed up to treat cancer patients using an unproven blood filter in Antigua, out of reach of American regulators.

For many years, the 39th president generated little attention from authors. But recently books have sought to re-evaluate his reputation. Here is a look at the expanding Carter library.