Not in the US and not a recent story, but there was a professor in my university who called out a noisy student telling him something in the like of "if you're

Not in the US and not a recent story, but there was a professor in my university who called out a noisy student telling him something in the like of "if you're bored with my lecture, you can do like these guys (pointing at students who were reading comics) and read in silence, or you can just leave, but can you not prevent others from listening?". The funny part is that the ones reading comics thought they were doing it unnoticed.