The Law is a blunt instrument. It’s not a scalpel. It’s a club. If there is something you consider indefensible, and there is something you consider defensible, and the same laws can take them both out, you are going to find yourself defending the indefensible.

Neil Gaiman (b. 1960) British author, screenwriter, fabulist
Neil Gaiman’s Journal, “Why defend freedom of icky speech?” (1 Dec 2008)
    (Source)

See Dershowitz.