After days of relatively peaceful demonstrations, a new voice has emerged in the Egypt as pro-Mubarak supporters took to the streets of Cairo yesterday. With Mubarak's supporters  came the introduction of rocks, clubs, stones, knives and Molotov cocktails. The attacks did not come from the military, the disputes occurred between the two rivaling sides.

For the latest we speak to  Nicholas Kristof,  columnist for The New York Times. We also speak with  Rashid Khalidi, Edward Said Professor of Modern Arab Studies at Columbia University, author of "Sowing Crisis: The Cold War and American Dominance in the Middle East" and "Palestinian Identity."

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