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Associated Press
A man crosses the street as Tunisians demonstrate the killing of Chokri Belaid  in Tunis, Wednesday, Feb.6, 2013. The Tunisian opposition leader critical of the Islamist-led government and violence by radical Muslims was shot to death Wednesday — the first political assassination in post-revolutionary Tunisia. The killing is likely to heighten tensions in the North African nation whose path from dictatorship to democracy so far has been seen as a model for the Arab world. (AP Photo/Amine Landoulsi)

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