To learn more about presidential impeachment, Justin and John sit down with Professor Michael J. Gerhardt, the leading scholar of American impeachment law. Gerhardt appeared as an expert witness in the impeachments of both President Trump and President Clinton, and he recently appeared as a witness in the impeachment inquiry of President Biden.Gerhardt is the author of many books on impeachment. His latest book on the subject, *The Law of Presidential Impeachment: A Guide for the Engaged Citizen *was released on January 9th, 2024. Find the book at the link below.https://nyupress.org/9781479824694/the-law-of-presidential-impeachment/