The good news is that these sorts of perversions always burn themselves out-they’re too untethered to reality. Eventually people realize that the radicalism is really about just one thing: power. And once people begin to challenge the dogmas, they collapse in a cascade. Because as they lose their power to exact a price for criticism, they attract more of it.

The bad news is that these radical revolutions can deal out a great amount of harm before they are discredited.

But in any case, we may be witnessing the first dawning realization on the left about the problems inherent in their movement. Allow me to present three pieces, each from a liberal looking at contemporary campus politics.