One by one, their fates were decided: President Andrew Johnson. President Richard Nixon. President Bill Clinton. And President Trump.

Government teacher Jennifer Brown had written their names on the whiteboard in front of the body that would judge them: a classroom full of teenagers at Woodrow Wilson High School in Northwest Washington. These are young people who have grown up in the shadow of the Capitol, and now, as a historic impeachment inquiry was unfolding just seven miles from their school, they were learning about this rarely used process in real time.