Update: The death toll of the Riyadh blasts is 20 noncombatants, with 194 injured. Nine of the dead are Americans. Nine bombers were killed by Saudi security.
About the Author
Juan Cole is the founder and chief editor of Informed Comment and Richard P. Mitchell Professor of History at the University of Michigan. He is author of, among many other books, Muhammad: Prophet of Peace amid the Clash of Empires. Follow him at @jricole.