A vendor sells a local newspaper, with four presidential aspirants on the page, in Katsina, Nigeria,Friday, April 15, 2011. The body of late President Umaru Yar'Adua is in an unmarked grave in this northern city, buried in the sandy soil along with many voters' hopes here that the country's ruling party would have chosen a Muslim candidate to run in the election. (AP Photo / Sunday Alamba)