Osama Shaltut claims to descend from the Prophet Mohammed and the centrepiece of his campaign for the Egyptian presidency is a promise to convert the entire world to Islam. The 66-year-old leader of the Solidarity Party...does not like wasting time. "Why wait?" he asks. "The whole world should convert to Islam. Now." When he introduces himself, Shaltut requests he be addressed as "Sharif" due to his holy ancestry or "Doctor" owing to his PhD in accounting. His programme, he says, is threefold. "First, let's gather the leaders of all religions. Then, let's apply their principles and assess the results... Finally,...