Michael Geist holds the Canada Research Chair in Internet and E-commerce Law at the University of Ottawa, Faculty of Law. Leo Frank, a U.S. factory superintendent, was convicted of murder in 1913 and subsequently lynched in a case widely viewed as a miscarriage of justice motivated by antisemitism. His case sparked the creation of the Anti-Defamation League, which was founded to combat antisemitism, bigotry and discrimination. Despite more than a century of leadership on the issue, last month an overwhelming majority of Wikipedia editors concluded that the ADL is no longer a reliable source on antisemitism. Attempts to paint Jews...