Imagine, for a moment, that you’re a conservative student at a small, low-key meeting of College Republicans in a space you’ve booked in advance, in the campus library, when suddenly a crowd of indignant leftists force their way in and start shouting and behaving hysterically, and randomly calling you names, and who then blame you for the disruption that they themselves are causing.

Because, and I quote, “Your existence is a disturbance.”