An Egyptian protester is treated at a field hospital in Tahrir Square in Cairo for wounds sustained during clashes with security forces on Thursday, Nov. 29, 2012. (AP Photo/Maya Alleruzzo)

Photo by: Maya Alleruzzo

An Egyptian protester is treated at a field hospital in Tahrir Square in Cairo for wounds sustained during clashes with security forces on Thursday, Nov. 29, 2012. (AP Photo/Maya Alleruzzo)