President Barack Obama’s ominous warning about climate change stayed in my mind long after his historic address to Ghana’s Parliament was over. He was correct in noting that a warming planet will spread disease, shrink water resources and deplete crops, creating conditions that contribute to the spread of famine and conflict. Still, as he optimistically [...]

NEW YORK — Shortly after arriving at an IBM-sponsored forum on Africa here, it became clear that this was no ordinary gathering. Indeed, the program quickly turned into one of the most inspiring discussions about the continent in my experience.
It is no secret that much of the world described Africa’s prospects in less-than-flattering terms until [...]