A man prays for demonstrators who were injured after riot police stormed an anti-government protest camp, outside the Salmaniya hospital where the casualties were sent to, in Manama February 17, 2011. Troops took control of Manama on Thursday after riot police stormed the anti-government protest camp at dawn and fought demonstrators on the streets, killing four people in Bahrain's worst violence in decades. REUTERS/Hamad I MohammedFeb. 18 (Westlaw Business) The winds of change blowing across the Northern Sahara all but demand a look at foreign operations disclosures, particularly as many companies are deeply entrenched in preparing this year’s annual reports. Political risk has many guises—war, expropriation, currency devaluation—but for companies doing business abroad, these risks don’t begin to give a complete picture of potential threats to earnings. Just six weeks into 2011, a number of well-known companies have already provided a glimpse of what’s keeping their board members awake at night.