Michael Ledeen is a Shillman Journalism Fellow at the Freedom Center and Freedom Scholar at the Foundation for Defense of Democracies. Mireille Knoll seems to have come from a novel, or a theater piece. Saved from the Holocaust, murdered at age 85 in what French police (who are very good indeed) are calling an anti-Semitic crime, honored in a huge march, eulogized by the President of France, her life seems crafted by a dramatist. As if Destiny saved her from the Nazis only to deliver her to the latest generation of Jew-haters. As the Passover Haggadah reminds us, in...