By Madjiasra Nako N'DJAMENA (Reuters) - African heads of state on Wednesday refused to recognize rebel leader Michel Djotodia's self-appointment as president of Central African Republic, calling instead for the creation of a new transitional body to guide the country to elections. The decision, taken at a summit of leaders from the central African region, further isolates Djotodia, who led thousands of insurgents into the former French colony's crumbling riverside capital Bangui on March 24, ousting President Francois Bozize. ...