John Heilemann talks with authors Mark Leibovich (Thank You for Your Servitude: Donald Trump's Washington and the Price of Submission) and Tim Miller (Why We Did It: A Travelogue From the Republican Road to Hell) about Lindsey Graham's soulless craving for proximity to power; how his ever-changing opinion of the former president is an act to maintain relevance; and what the Senator from South Carolina really thinks of Donald Trump.