My favorite part of the video is that Trump keeps trying to do this stupid fucking power move where he gives a firm handshake and refuses to let go. Newsom was ready for it and Trump had to forcibly pull his hand away.
Edit: Sorry for not being clear. There is a link to a tweet in the article that has the video.
I always thought it was because he’s fat, so he leans forward to hide his huge belly. Works pretty well from the front where most pictures of him are taken.