It took me a few moments to realize that the nice men from al Asad Air Base's private security force, SOC SMG, were taking me into custody. The slight but well-armed Ugandan guards who inspected my press ID at the entrance to Green Beans Coffee were unfailingly polite while denying me access. "Please wait a moment, Sir," one gentleman said to me in refreshingly formal English as he conferred with his comrades. Everyone...