There are five main contenders in Egypt’s landmark elections Wednesday with the result too close to call. Two of them are Islamists, one liberal and one moderate. Two of them are seen as members of Hosni Mubarak’s former regime. And one rank outsider, a Nasserist or secular nationalist. The possible results and permutations or combinations of outcomes are mind-boggling. An Egypt expert gives some insight into the complexity of the country’s first presidential polls since Mubarak's fall.