On 18 July 2007 in Johannesburg, South Africa, Nelson Mandela, Graça Machel, and Desmond Tutu convened a group of world leaders to contribute their wisdom, independent leadership and integrity to tackle some of the world's toughest problems.
On 18 July 2007 in Johannesburg, South Africa, Nelson Mandela, Graça Machel, and Desmond Tutu convened a group of world leaders to contribute their wisdom, independent leadership and integrity to tackle some of the world's toughest problems.
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