What influence do presidents have over NASA? How has Mars shaped American objectives in space? Are we really going back to the moon? Join Nate Ray for Part 1 of his two-part conversation with David W. Brown, a science journalist and author who has written for The New York Times, The Wall Street Journal, The New Yorker, Scientific American, Vox, and Smithsonian. Also, check out David's most recent book, The Mission, which is in stores now.