The country Nelson Mandela leaves behind remains racially divided with deep economic problems. But South Africa has also emerged as a robust democracy, writes CFR’s John Campbell.

The success of a UN investigation into an alleged chemical weapons attack in Aleppo province last week will depend on a number of factors and could prove inconclusive, says CFR’s Gregory Koblentz.

The events convulsing the Middle East should prompt supplier states to place a moratorium on most nuclear cooperation with the region and devise long-term plans for better safeguarding major nuclear …