Bad thing happen in a bad economy and the economy is bad all over the world. Societies that are already under pressure - politics, ethnic strife, and so on - are going to show the strain most of all. Iran, the coup and protests in Honduras, and now riots in Western China. None of these things are caused by the bad economy, but the downturn does add to the pressure. Keep an eye out for more of this. The economy is everywhere, and fault lines run in a lot of places.