Here's a video of a collection of some of the most notable idocies and clips of "the dumbest President in US history", by Will Saletan of the Bulwark.

It's very long but very enlightening just how DUMB our president is, and even dumber are many of our voters, unfortunately. Yes, DUMB... with a B! Just mind-blowing that he ever got elected in the first place, much less the second time.

https://www.msn.com/en-us/entertainment/general/the-dumbest-president-in-us-history-key-moments/vi-AA258NlA