A strange thing for him to point out, unless he's hinting at something important here:

Rudy Giuliani about Obama: “It seemed to me he got a little smaller too. Did you notice that his shoulders are narrower. Maybe the impact of all of this is getting to him. You know some guys their nose gets bigger, others their shoulders get a little smaller when they are as corrupt as these people are.”

https://www.thegatewaypundit.com/2020/08/rudy-giuliani-dunks-obama-notice-shoulders-narrower-got-little-smaller-video/

Could this comment be about clones? Or maybe just an example of 'these people are sick' (literally.)