Powell : I just did n't have the passion that a Barack Obama or George Bush has . Many in GOP felt former Joint Chiefs chairman , secretary of state could be president . ' ` ` one of the most important issues facing the world , '' ex - general says . Iraq , Guantanamo , Abu Ghraib among factors damaging his reputation in world .
Powell : I just did n't have the passion that a Barack Obama or George Bush 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 , Guantanamo , Abu Ghraib among factors damaging U.S. reputation in world .