As violence spreads from Tunisia to Egypt and Algeria, Paul Rogers of OpenDemocracy.net outlines the reasons for the upheaval. 

The uprising in Tunisia is at once a response to systemic inequity and injustice and an expression of the limits of elite control. But to the economic and political ingredients of the revolt must be added the potent if less evident one of global environmental crisis. 

A new report examines the likely course and proliferating dangers of a United States attack on Iran

The prospect of Iran acquiring nuclear weapons is provoking fresh strategic calculations among some Washington analysts. Paul Rogers reports