Tarek Heggy, Egyptian scholar

What next for Egypt's unfinished revolution? The Mubarak dynasty has been toppled, the former president will soon be on trial, and Parliamentary elections are due in just three months - but there's an apprehensive mood in Cairo's Tahrir Square. Stephen Sackur talks to one of Egypt's most prominent liberal intellectuals, Tarek Heggy. He advocates wholesale reform of religion, education and politics, but how many Egyptians share his vision of a 21st century renaissance on the Nile?