As NASA considers a manned mission to the moon in the next few decades, Living on Earth takes a look back at the twelve men who lay claim to the title “Moonwalker.” Host Bruce Gellerman talks with author Andrew Smith about his new book, “Moondust: In Search of the Men Who Fell to Earth.” Also, astronaut Alan Bean, the fourth man to walk on the moon, talks about his life after returning to Earth, and the artwork that keeps his lunar memories alive.