On the Monday following Yom Kippur, Sept. 20, 2021, President Joe Biden officially delivered to the United States Senate his nomination of Professor Deborah Lipstadt of Georgia to be his special envoy to monitor and combat antisemitism. Lipstadt is one of the world’s leading scholars on antisemitism, the Holocaust and the troubling subject of Holocaust denial. She is the Dorot professor of modern Jewish history and Holocaust studies at Emory University in Atlanta. Her credentials are impeccable. After completing her undergraduate degree from City College of New York, she matriculated at Brandeis University, where she earned her M.A. and Ph.D.,...