The Cipher Daily Brief Get a daily rundown of the top security stories delivered to your inbox Monday through Friday with exclusive briefs and columns on what matters most to you and your organization. SIGN UP FOR The Free NewsletterSign up Biden Holds the Cards on Iran, But Will He Play Them? December 10, 2020 The Newsletter Gary Grappo is a former U.S. ambassador who held senior positions including Minister Counselor for Political Affairs at the U.S. Embassy in Baghdad; U.S. Ambassador to the Sultanate of Oman; and Charge d’Affaires and Deputy Chief of Mission of the U.S. Embassy in Riyadh, Kingdom of Saudi Arabia. He’s currently a Distinguished Fellow at the Center for Middle East Studies at the Korbel School for International Studies, University of Denver.