OF THE MANY APHORISMS ABOUT FREE speech, surely the best known is that attributed to Voltaire: that although he might disapprove of what you say, he would defend to the death your right to say it. It is, of course, excellent — as far as it goes. Often, however, those who seek to silence other people’s speech object not to what they say, but how and where.
Consider Kellie-Jay Keen, aka Posie Parker, a women’s rights activist who holds rallies under the rubric Let Women Speak. She advertises a place and time, turns up with stewards in hi-viz jackets, and hands