Arab Spring countries in turmoil two years on Tunisians, already troubled by the rise of radical Islamists, are eyeing the political and economic paralysis gripping their country with a dismay shared across much of the region two years after the Arab Spring began. In Sidi Bouzid, the central town where Mohamed Bouazizi set himself on fire on December 17, 2010, celebrations are planned to mark the anniversary. Images and soundbites