Empire - Pax Americana

As the winds of change blew across the Arab world, the US, the power that has long dominated the region, has been particularly absent. With all its allies crumbling one after another, what will the US do to maintain its influence in the region? And what can be expected of Israel, the country's closest ally in the region? Will the spread of democracy lead to a peaceful end to decades of autocratic rule in the Middle East or will the fear of Islamist extremism galvinise Washington's resolve to reinforce Pax Americana?