In case you haven't noticed, we have an impeachment trial going on. We've had hours and hours of presentation by the House managers, and hours of presentation by the president's defense team, and there are likely hours to go. To bring us up to speed with where we are, where we are after the big John Bolton bombshell over the weekend, and the coming fight over witnesses, Benjamin Wittes spoke with Margaret Taylor, Quinta Jurecic, and Jonathan David Shaub.