Philip Bobbitt is a top academic expert on Impeachment.  He has led the lonely chorus of those who have maintained that Trump’s second impeachment trial is unconstitutional, since it takes place when he is no longer President.  Akhil and Professor Bobbitt debate this and other points crucial to the trial - with surprising results. News flash: opinions change, and consensus is nearer.  One can only wish the Senate had similarly open minds.