Tonight on the Last Word: Bob Woodward and Robert Costa join Lawrence O’Donnell to discuss their new book “Peril.” The book details the dark final year of Donald Trump’s presidency. Also, Mary Trump reacts to the new report of Donald Trump’s last days in the White House. And the lawyer for the Trump Organization’s CFO reveals new tax documents found in the basements of co-conspirators. Susan Hoffinger and Tim O’Brien also join Lawrence O’Donnell.