An anti-government protester wears face paint in the colors of the Egyptian flag during the continuing demonstrations in Tahrir Square in downtown Cairo on Tuesday, Feb. 1, 2011. More than a quarter-million people flooded into the heart of Cairo, filling the city's main square in by far the largest demonstration in a week of unceasing demands for President Hosni Mubarak to leave after nearly 30 years in power. (AP Photo/Ben Curtis)

Photo by: Ben Curtis

An anti-government protester wears face paint in the colors of the Egyptian flag during the continuing demonstrations in Tahrir Square in downtown Cairo on Tuesday, Feb. 1, 2011. More than a quarter-million people flooded into the heart of Cairo, filling the city's main square in by far the largest demonstration in a week of unceasing demands for President Hosni Mubarak to leave after nearly 30 years in power. (AP Photo/Ben Curtis)