Rich Lowry: Yes, Hate Speech is Free Speech

With the left feverishly attempting to squash unwelcome speech on college campuses, with the president of the United States musing about tightening libel laws, with prominent liberals asserting that so-called hate speech is not protected by the First Amendment, free speech in America at least has one reliable friend -- the Supreme Court of the United States.

In a firm 8-0 decision, the court slapped down the Patent and Trademark Office for denying federal trademark registration to a band named "The Slants," a derogatory term for Asian-Americans. As it happens, The Slants is an Asian-American b...