Davis told me as we sat in the Yankee Doodle Tap Room in Princeton, New Jersey, helped build an international movement to free her. “I don’t know where I would be today if that letter hadn’t circulated,” she said. They could have locked her up and thrown away the key or put her to death. “His letter was so impactful at the time,” she told me, “they decided to title the edited collection of prison letters If They Come in the Morning, after the last line of the essay.”

