Nelson Rolihlala Mandela was arguably the most respected statesman the world has seen since the end of the second World War. His dignity, his determin(...)

US president Barack Obama  and former president George W Bush yesterday attended a memorial for the victims of the 1998 US Embassy bombing in Dar es Salaam. Photograph: Jason Reed/Reuters

US president Barack Obama has ended his African tour with a rare show of unity with his Republic predecessor George W Bush, a man he warmly praised fo(...)