of power by unelected military rulers.   28 May 2007 In the 2007 general election , Umaru Yar'Adua and Goodluck Jonathan , both of the People's Democratic Party , were elected President and Vice President, respectively.Obasanjo handed over government to Umaru Yar'Adua. November 2009 Yar'Adua fell ill and was flown out of the