Mideast and African unrest explained

[Scammer]

[video]http://cnn.com/video/?/video/world/2011/02/18/bs.protest.region.explainer.cnn[/video]

Two months ago, a Tunisian fruit vendor struck a match that started a fire that has spread throughout much of North Africa and the Middle East. CNN's Michael Holmes and John Vause explain the tumult sweeping across the region.