Anthony Goldbloom: The jobs we'll lose to machines — and the ones we won't

African growth is a trend, not a fluke, says economist and former Finance Minister of Nigeria Ngozi Okonjo-Iweala. In this refreshingly candid and straightforward talk, Okonjo-Iweala describes the positive progress on the continent and outlines eight challenges African nations still need to address in order to create a better future.