Inside Story - Mohamed El Baradei for the Egyptian presidency?

Mohamed El Baradei, the former head of the International Atomic Energy Agency, has returned to his native Egypt saying he wants to serve the country. Could he become the next president of Egypt? Can he overcome the current political and constitutional restrictions to be elected president? And in a country where the vast majority of the population do not vote and many do not trust the ballot box, will Egyptians see El Baradei as a long-awaited for saviour?