No stranger to advising presidents , Powell told CNN that Obama has a great deal of work ahead . Abu Ghraib : I just did n't have the passion that a Barack Obama or Abu Ghraib has . Many in GOP felt former Joint Chiefs chairman , secretary of state could be president . Poverty `` one of the most important challenges facing the world , '' ex-general says . Iraq , U.S. , George Bush among factors damaging Iraq reputation in world .
Abu Ghraib : I just did n't have the passion that a Barack Obama or Abu Ghraib has . Many in GOP felt former Joint Chiefs chairman , secretary of state could be president . Poverty `` one of the most important challenges facing the world , '' ex-general says . Iraq , U.S. , George Bush among factors damaging Iraq reputation in world .