Danger zoneSouthern African statesbraced for bird flu threatCharles MkokaBorder fencingVoices from both sides of the Mexico-US borderStephen DiggesMedical tourismIndia excels in niche marketJagpreet LuthraWhither Europe?Summit underscores EU'sfutile search for directionKirsty HughesCyprus cutBuffer zone a symbol of its deep and abiding scarJonathan Gorvett