Tutu's Children - Episode 4: 'The baton has been passed'

It has been five months since 25 young Africans first pledged an oath to Archbishop Desmond Tutu to serve the needs of their countries. And in this final episode of the series, Tutu's Children are about to embark on their final three days of leadership coaching in London.
As their fellowship comes to an end, we ask if the young Africans have been transformed into great leaders.
And if we come across them over the coming months and years, what should we expect to see?