"Don’t mention Trump or guns or anything political please. Just don’t joke about
it. This was one of the requirements from Uncle Bob. He is very sensitive and
clear about this, no mentions or jokes about his political views, we don’t want
to upset him.”

https://www.royvanrijn.com/blog/2019/02/worst-speaking-experience/
https://twitter.com/larsrosenquist/status/1280370127427567616