Mr. Khan and his wife, Ghazala, lost their 27-year-old son, U.S. Army Captain Humayun Saquib Khan, in a 2004 suicide attack in Iraq. At the convention in 2016, Mr. Khan pulled a pocket-sized copy of the Constitution from his jacket and questioned whether Mr. Trump had ever read it. Holocaust scholar and Emory University Professor Deborah Lipstadt was nominated as Special Envoy to Monitor and Combat Anti-Semitism, an ambassadorial position. Rabbi Sharon Kleinbaum, an openly gay cleric who has led Congregation Beit Simchat Torah in New York City since 1992, is Mr. Biden’s second USCIRF nominee. She served on the panel in 2020.