A car burns during clashes between demonstrators and secuitry forces on Friday in Sidi Bouzid.

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"We have an enormous stake in ensuring that Egypt and Tunisia provide models for the kind of democracy that we want to see," Secretary of State Hillary Clinton told a congressional panel. Jose Luis Magana/AP hide caption

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A demonstrator threw an object towards police during a protest Wednesday (Jan. 26, 2011) in Cairo. AFP/Getty Images hide caption

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Demonstrators clashed with police in central Cairo today (Jan. 25, 2011) during a protest to demand the ouster of President Hosni Mubarak and calling for reforms. Mohammed Abed/AFP/Getty Images hide caption

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A demonstrator throws a rock towards police during demonstrations in Tunis. Fred Dufour /AFP/Getty Images hide caption

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