What if the history books record that Donald Trump was third American president to be impeached, but the first of those to be re-elected?  It's not far-fetched.  In fact, many folks think it's likely.  And it's what happens after that that has them scared.  We discuss in a great roundtable with the Washington Post's Greg Sargent, Georgetown Law's Rosa Brooks and NYU Law School's Ryan Goodman.  You won't want to miss it.