Protesters in Egypt are not giving up. The unrest against the ruling regime continued into its sixth day, as tens of thousands flocked to the Cairo's Tahrir (or Liberation) Square. Among those protesters on Sunday was the diplomat, Mohamed ElBaradei, who is now representing a loosely unified opposition to President Hosni Mubarak.

What's next for the country's leadership?  Steven Cook, a Middle East expert for the Council on Foreign Relations is just back from Cairo. He says  the regime's collapse will bring fundamental change to the country and the Middle East.