Mark Leibovich, Annie Lowrey, and The Gist’s Mike Pesca discuss the most recent Democratic debate, remember Lindsey Graham’s presidential run, and talk about how Ted Cruz is cozying up to Donald Trump.  

Mark Leibovich, Annie Lowrey, and Alex Wagner try to interpret Ted Cruz’ appeal to GOP primary voters in Iowa, while Donald Trump’s doctor has issued the candidate a flawless bill of health. We also express our sympathy for the Obamas, who will spend hours shaking hands with well-wishers this...