Nigeria: Leader battles to get a grip on power

Umaru Yar'Adua has been in charge of Nigeria, Africa's most populous nation and biggest oil producer, for six months and is already struggling against endemic corruption and political infighting. Most observers agree that Yar'Adua, a Muslim from northern Nigeria, is well-intentioned and more sincere than his predecessor, military man Olusegun Obasanjo. They also agree that he lacks the clout and decisiveness of Obasanjo