The left's failed attack on the Hoover Institution was a victory against the academy's intolerance. Yet most conservatives lack the same protection.Cancel culture is successful because of two basic assumptions. One is that all enlightened people within a certain community believe in the same things and that anyone who disagrees with any of the current leftist orthodoxies about politics, race, or sex is a heretic who must be shunned, shamed, and driven out of polite society. The other is that the cultural consensus is so strong that no individual or group of individuals can resist it.Armed with these factors, outrage...