Oil prices have rallied this week, allaying immediate fears among key energy producers.
Still, the anxiety in Saudi Arabia, the world's No. 1 oil exporter and the country with the largest amount of oil reserves, is set to continue. The nation not only faces a longer-term challenge to its economy from falling oil prices, but also has to contend with a rapidly deteriorating security situation in the region. None of the strategic choices facing the kingdom is likely to be easy.