Sen. Harris cancels travel after staffer tests positive for Covid, U.S. surpasses 8 million coronavirus cases, and person wearing jetpack reportedly seen flying above Los Angeles. Watch NBC Nightly News With Lester Holt at 6:30 p.m. ET 5:30 p.m. CT (or check your local listings).00:00 Intro00:50 Trump & Biden In Dueling Town Halls Tonight01:07 Kamala Harris Halts Travel After Top Aide Tests Positive01:54 Trump Holds Rally As Early Voting Begins In Key Battleground02:13 Rudy Giuliani's Daughter Endorses Joe Biden02:26 Obama Makes The Case For Biden In Final Stretch03:31 Christie After 7 Days In ICU: 'Wrong Not To Wear A Mask'04:13 U.S. Tops 8 Million Cases Amid Second Wave Fears06:26 Europe Races To Contain Second Wave Of COVID-1907:46 Europe's Second Wave Is A Dire Warning For U.S.08:41 Grandfather Pleads Guilty In Toddler's Cruise Ship Death09:59 Explosive Wildfire Shatters Records10:13 Amy Coney Barrett Hearings Conclude, Vote Next Week10:45 Qanon's False Conspiracy Theories Gain Support In Suburbs13:49 New Answers About Saftey Of Air Inside Planes15:30 New Sighting Of Person Flying Jetpack 6,000 Feet High