Conversations host Harry Kreisler welcomes Carnegie policy analyst Karim Sadjadpour for a discussion of Iran, its domestic politics and foreign policy. Questions addressed include: What are the dynamics of internal politics? What is the role of the Revolutionary Guard? What are Iran's regional goals? What are its goals in Iraq? Can its quest for nuclear weapons be halted? and how should the United States deal with this formidable power in the vital Middle East?