Egyptian protesters gather in Tahrir Square on January 25, 2012, during a mass rally marking the first anniversary of the uprising that toppled Hosni Mubarak as a debate raged over whether the rally was a celebration or a second push for change. AFP PHOTO/MAHMUD HAMS (Photo credit should read MAHMUD HAMS/AFP/Getty Images)
- [MAHMUD HAMS/AFP/Getty Images]

Egyptian protesters lift an obelisk with the names of those killed during last year's uprising, at a huge rally in Tahrir Square on January 25, 2012, marking the first anniversary of the uprising that toppled president Hosni Mubarak as a debate raged over whether the rally was a celebration or a second push for change. AFP PHOTO/MAHMUD HAMS (Photo credit should read MAHMUD HAMS/AFP/Getty Images)
- [MAHMUD HAMS/AFP/Getty Images]

Egyptian Muslim protesters pray in Tahrir Square on January 25, 2012, during a mass rally marking the first anniversary of the uprising that toppled Hosni Mubarak as a debate raged over whether the rally was a celebration or a second push for change. AFP PHOTO/MAHMUD HAMS (Photo credit should read MAHMUD HAMS/AFP/Getty Images)
- [MAHMUD HAMS/AFP/Getty Images]

Egyptian protesters carry an obelisk with the names of those killed during last year's uprising, at a huge rally in Tahrir Square on January 25, 2012, marking the first anniversary of the uprising that toppled president Hosni Mubarak as a debate raged over whether the rally was a celebration or a second push for change. AFP PHOTO/MAHMUD HAMS
- [MAHMUD HAMS/AFP/Getty Images]

Smoke from a food vendor's cart rises between giant Egyptian (R) and Syrian flags during a rally in Tahrir Square on January 25, 2012, on the first anniversary of the country's revolt against the former regime. AFP PHOTO / KHALED DESOUKI
- [KHALED DESOUKI/AFP/Getty Images]

Egyptian protesters hold up giant national and Syrian flags during a rally in Tahrir Square on January 25, 2012, on the first anniversary of the country's revolt against the former regime. AFP PHOTO / KHALED DESOUKI
- [KHALED DESOUKI/AFP/Getty Images]

A man holds Egypt's flag in Tahrir Square as people gather for the first anniversary of the revolution on Jan. 25 in Cairo, Egypt.
- [Jeff J. Mitchell/AFP/Getty Images]

Egyptians gather in their thousands in Tahrir Square to mark the one year anniversary of the revolution on January 25, 2012 in Cairo Egypt. Tens of thousands have gathered in the square on the first anniversary of the Arab uprising which toppled President Hosni Mubarak.
- [Jeff J Mitchell/AFP/Getty Images]

Egyptian Muslim women take part in a rally in Tahrir Square on January 25, 2012, marking the first anniversary of the uprising that toppled Hosni Mubarak as a debate raged over whether the rally was a celebration or a second push for change.
- [MAHMUD HAMS/AFP/Getty Images]

Egyptians gather in their thousands in Tahrir Square to mark the one year anniversary of the revolution on January 25, 2012 in Cairo Egypt. Tens of thousands have gathered in the square on the first anniversary of the Arab uprising which toppled President Hosni Mubarak.
- [Jeff J Mitchell/AFP/Getty Images]

A girl with her face painted in the colours of the Egyptian flag joins the tens of thousands as they gather for a mass rally in Cairo's Tahrir Square on January 25, 2012, marking the first anniversary of the uprising that toppled president Hosni Mubarak as a debate raged over whether the rally was a celebration or a second push for change. AFP PHOTO/MAHMUD HAMS
- [MAHMUD HAMS/AFP/Getty Images]

Egyptian protesters rest during a rally at Tahrir Square on January 25, 2012, on the first anniversary of the country's revolt against the former regime. AFP PHOTO / KHALED DESOUKI
- [KHALED DESOUKI/AFP/Getty Images]