Former President Donald Trump challenged President Joe Biden to a cognitive test right before forgetting the name of the doctor who administered his cognitive test. Neurologist Dr. Tom Pitts says neither Trump nor Biden seem cognitively fit. Pitts discusses the test both Trump and Biden should take to assess their cognitive function accurately. #cognitive #Trump #Biden Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij