Historically, the U.S. has been involved for a very long time.
Vali Nasr is an Iranian-American political commentator and scholar of contemporary Islam. Born in Iran, Nasr and his family immigrated to the United States following the 1979 Islamic Revolution. Nasr received a BA from Tufts University in 1981 and a masters from the Fletcher School of Law and Diplomacy in 1984. He earned his PhD from MIT in political science in 1991.
Known for his view that wars within Islam will shape the future, Nasr has testified before Congress and has advised the President and Vice-President regarding sectarian violence in Iraq. Nasr is the author The Shia Revival, Democracy in Iran, and The Islamic Leviathan.
He has taught at the University of San Diego and the Naval Postgraduate School, and is currently a Senior Fellow at the Belfer Center at Harvard and Professor of International Politics at Tufts. A Life Member of the Council on Foreign Relations, Nasr has been published in Foreign Affairs, The New Republic, Foreign Policy, Time, the New York Times, and the Washington Post, among others. He is an editor of the Oxford Dictionary of Islam and has appeared on CNN, the BBC, National Public Radio, and not least of all The Daily Show with Jon Stewart and The Colbert Report.