On the first anniversary of the uprising that toppled Hosni Mubarak's regime, hundreds of thousands poured into the revolution's symbolic center, Cairo's Tahrir Square. NBC's Ayman Mohyeldin reports.
On the first anniversary of the uprising that toppled Hosni Mubarak's regime, hundreds of thousands poured into the revolution's symbolic center, Cairo's Tahrir Square. NBC's Ayman Mohyeldin reports.