U.S. Is Preparing for a Long Siege of Arab Unrest 0 researchok World News9/15/12 1:12:45 pmSaturday, September 15, 2012 at 1:12 pm PDT • Views: 488 nytimes.com More American Diplomatic Missions Anti-American Violence Arab Spring Arab Unrest Diplomatic Activities Foreign Policy Crisis Islamic Extremists Muslim World Middle East Policy