On April 6, 1940, a Jehovah's Witness named Walter Chaplinsky was arrested for yelling at a Rochester, New York police officer, resulting in the case Chaplinsky v. New Hampshire, which made it all the way to the Supreme Court. Ken White explores the case and the ensuing “fighting words” doctrine, which is often cited in disputes over free speech in the U.S.  As he will throughout this series, Ken dives into the context and background of the case and some of the most important cases later explaining it.