Tonight on the Last Word: Many Capitol rioters are implicated by their own social media posts. Also, the House prepares to send the article of impeachment to the Senate. Plus, Donald Trump weighs granting more pardons during his final days of office. Joe Biden unveils his “bold” plan to speed up Covid-19 vaccinations. And Anand Giridharadas talks to Lawrence about how the chaos of the Trump era is the “revolt against the engine of history.” Frank Figliuzzi, Glenn Kirschner, Rep. Madeleine Dean, Margaret Colgate Love and Bina Venkataraman also join Lawrence O’Donnell.