There was a virtue in wearing these masks, of course, which is that if you are joining in calls for terrorism against a minority, it may be wise to cover your face—as the Ku Klux Klan also did. The masks suggested a certain coyness or shame among many of the protesters—as though they had one eye on the global revolution and the other on their future job prospects. But as one of the posters I saw plastered all over Columbia showed, everything can be connected.