Barbara Bogaev interviews astronomer and writer Donald Goldsmith about the future of space travel. He was the consultant to the PBS documentary film "Voyage to the Milky Way" (TV/Books) and is the author of the companion book.
Colin Jost's new memoir, A Very Punchable Face, describes his experiences growing up in a middle-class household on Staten Island. "Part of writing this book was being excited to talk about parts of my life and weird episodes in my life that I thought that would be entertaining for people," he says. Or, he adds, for people to "just get another chance to laugh at me."