"As the service members return home and as the wars wind down, the mental trauma of war remains and there is an urgent need to make sure every service member receives a psychological evaluation upon returning home, and whenever a service member reaches out for help, the service member needs to receive it immediately, " he said.

CNN: 325 Army suicides in 2012 a record

Songs such as Blowin' In The Wind and The Times They Are a-Changin' became anthems of the anti-war and civil rights movements.

BBC: Obama honours 13 with Medal of Freedom at White House

Ethiopia, where Mr O'Neill will wind up his visit by attending the annual meeting of the African Development Bank, is scarred by a recent war with Eritrea.

ECONOMIST: The education of Paul O'Neill | The