Whenever my friends and I discuss leadership, which is often, I find myself going back to a story told by Nelson Mandela in his autobiography, Long Walk to Freedom.

It is set in Lobatse, in 1962, back when Botswana was known as Bechuanaland. Madiba had illegally skipped SA and was on his way to a pan-African movement conference in Ethiopia that was to be attended by anti-colonial leaders from all regions of the continent...