He's made history. Donald Trump has become the only President in US history to be impeached not once but twice. Three years ago Dan talked to Joshua Matz, an attorney and constitutional scholar in Washington DC and author of "To End a Presidency." He explained to Dan the history of impeachment and discussed how it works in practice. Not long after we all got a practical demonstration of impeachment and Joshua Matz played a key role. He served among the counsel for the impeachment and trial of President Trump. Following Trump's second impeachment we decided to re-release this podcast. Some of it has aged, but it has aged pretty well!