The continued and spreading unrest in the Arab world presents enormous challenges to the United States and other Western countries which have supported and continue to support autocratic regimes such as Egypt and Saudi Arabia. We’ve given lip service over the years to backing democratic reform, but when it came to protecting our oil supply, democracy has taken a back seat to stability. We now find ourselves encouraging the protests against the very regimes we’ve underwritten with economic and military aid for decades. In Egypt we were caught by surprise, hoping for a slow and orderly change we could get behind while not abandoning our longtime ally in Mubarak. That didn’t work so well, although the Obama administration ultimately calibrated it reasonably well. It’s easy in Libya, where there’s been no love lost for Ghaddafi. What will we do when the revolt overtakes Saudi Arabia?