Sudan's former Prime Minster, Sadiq Al Mahdi holds Sunday a Seminar at Dal center in Cairo about the political Islam between advocacy and power, Al Bawaba News reported. Al Mahdi is one of the most prominent Sudanese intellectuals and politicians as he chaired the Sudanese government from 1966 to 1967 and from 1986 to 1989. He is now the Imam of Ansar religious movement and Umma Islamic centrist political party's head.