A man sells cigar near campaign posters of presidential aspirant, Gen. Muhammadu Buhari, in Lagos, Nigeria, Wednesday, April 6, 2011. A former military ruler of Nigeria has gained support in his third bid to become president of the oil-rich nation. Gen. Muhammadu Buhari ruled Nigeria from 1983 to 1985 after a military coup deposed elected President Shehu Shagari. Nigerians will vote for a new president April 16. (AP Photo/Sunday Alamba)