Brett Kavanaugh: champion of free speech. Really? Well, he seems to be on the right side this time, and in a perilous time one takes one's help where one can find it. On August 14, the US Supreme Court rejected an emergency bid from a social media sponsors' industry group, NetChoice. NetChoice had sought a block to enforcement by the state of Mississippi of an age certification law. So by refusing to hear the matter on an emergency basis, SCOTUS has allowed enforcement to proceed for now. But it has not yet addressed the substantive issue. The law in question says that social media sites must verify the ages of their users and make efforts to protect young people from being exposed to harmful material. Non-compliance brings civil penalties of up to $10,000 per violation, as well as the possibility of criminal prosecution. This case seems to me to belong to an enormous set -- the set of all cases in which "think of the children!" is pretext. The real goal is...