New Details On Chinese Spy Balloon Incident Under Trump; Report: Putin's Ex-Wife And Her Now-Husband Acquired Millions Of Dollars In Real Estate As Her Marriage To Putin Fell Apart; Private Russian Army Chief Challenges Zelenskyy To Dogfight. Aired 9-10p ET

[21:00:00] (BEGIN VIDEO CLIP) DAVID BALOGUN, 9-YEAR-OLD HIGH SCHOOL GRADUATE: I want to be an astrophysicist, and I wanted to study Black Holes and Supernova. (END VIDEO CLIP) ANDERSON COOPER, [...]