Drought is natural, famine is not

Somalian women wait at a refugee centre in
Mogadishu in July 2011. Reuters

Paul Rogers comments on the famine in the horn of Africa:

Since the previous trans-national famine (1973-74), he says,

There have since been nearly four decades of “development”, with contrasting outcomes: the world has grown very much richer yet the great bulk of the new wealth has benefited the richest 1.5 billion in a global population that the United Nations estimates will reach 7 billion in October 2011. A far wealthier world is more divided, and contains nearly twice as many malnourished people, as was the case in the early 1970s. These facts alone are a damning criticism of the way the world economic system has evolved, and in particular of the neglect of food security for tens of millions of poor and vulnerable people.

Climate change will make things worse. 

See also: Brian Stewart's Famine in Africa: Global mismanagement of the first order

One inevitable consequence [I add] is that many more people will be forced to migrate. Yet the rich world's barriers against forced migration from the poorer world have been growing higher and higher.

It is a recipe for greater conflict.  How little can the wealthy world pay to keep the poor away from their doors and out of sight?