Tonight on The Last Word: Special Counsel Jack Smith responds to the Trump protective order motion. Also, The New York Times reports Justice Clarence Thomas's $267K RV is financed by a wealthy health care executive. And a Tennessee Democrat who was expelled after participating in a gun protest wins back his seat. Andrew Weissmann, Neal Katyal, Harry Litman, Sen. Sheldon Whitehouse and TN State Rep. Justin J. Pearson join Lawrence O'Donnell.