NBCUniversal Inc. November 1, 2019 5:13 am ‘Tonight' Thank You Notes: Trick-or-Treating, Click Pens Jimmy Fallon pens thank you notes to the Washington Nationals logo, trick-or-treating and other things. US & World Videos 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses 2:47 AI pharmacist? Brigham testing new tech to assist docs, pharmacists 1:39 Patriots superfan slams Tom Brady's ‘crap autograph'