Unclear whether Umaru Musa Yar'Adua will resume duties . He was treated for inflammation of tissue around the heart , a condition that was diagnosed last fall after he complained of chest pain . He has been treated for loss of tissue around the eye . His three months absence left a power vacuum in Nigeria .
Unclear whether Umaru Musa Yar'Adua will resume duties . He has been treated for loss of tissue around the eye . His three months absence left a power vacuum in Nigeria .