https://twitter.com/i/status/151468080380399206

So did he? NOOO!!  Google did biden ever teach at the university of pennsylvania     

US President Joe Biden faced fresh criticism on Friday for claiming to have taught at the University of Pennsylvania. While the school paid him almost $1 million over three years for a bespoke position, there is no record of him actually teaching a class.

http://www.thedp.com/article/2020/04/biden-penn-president-trump-wharton

https://www.hitc.com/en-gb/2023/09/15/did-joe-biden-teach-at-the-university-of-pennsylvania/

https://www.msn.com/en-us/news/politics/ask-him-if-he-walked-on-the-moon-joe-biden-trolled-after-claiming-he-taught-political-theory-at-upenn-for-four-years/ar-AA1gLjLz