Rich Paul promotes his book"Lucky Me: A Memoir of Changing theOdds."Saint Harison performs his hit song "Ego Talkin."Jenniferwelcomes 6-year-old Nathan Katcher and his mother, Rachel,from St. Louis, MO. Nathan has been making headlines for hisability to solve long-equation math problems. Rachel startedposting his videos on TikTok to share Nathan's love for mathwith the world. Nathan has always been fascinated by numbersand by age 4, he was counting to 6,000. Nathan solves allmath problems in his head and hopes to be a math scientist whenhe gets older.