Russia is intent on attacking beyond Ukraine. Can Europe defend itself?

Most of what is written about Africa is framed in terms that have been out of date for years. Too often, it is seen as heading for either disaster or salvation; the realities are more subtle, more complicated than this binary opposition suggests. The continent has over the last century experienced the fastest population growth in the entire history of our planet.

This brings pressures environmental and human, but it also changes the logic of Africa's economics. It suggests reasons for hope. T...