When the left turns on its own

A professor became a victim of a leftist campaign when he challenged racial segregation

Bret Weinstein is a biology professor at Evergreen State College in Olympia, Wash., who supported Bernie Sanders, admiringly retweets Glenn Greenwald and was an outspoken supporter of the Occupy Wall Street movement.

You could be forgiven for thinking that Mr. Weinstein, who identifies himself as “deeply progressive,” is just the kind of teacher that students at one of the most left-wing colleges in the country would admire. Instead, he has become a victim of an increasingly widespread campaign by leftist students against anyone who dares challenge ideological orthodoxy on campus.

This professor’s crime? He had the gall to challenge a