The Impact of Crowd Dynamics on the Arab Spring
  
  Like Dark Clouds Gathering before a Storm
      In this essay, Sami Mahroum takes a closer look at the genesis, dynamics and impact of crowds in particular in the Arab world, where crowds – both spontaneous and those born through social media – have been shaping political processes since before the Arab Spring
  
  
      
  
                  By
          
                
                        
                    
               Sami Mahroum