It was supposed to be a defining moment, but peace talks between the Congolese government and M23 rebels scheduled for this Wednesday in Doha have been postponed. It would have been the first direct talks since M23 fighters seized eastern DR Congo's two largest cities, Goma and Bukavu. The swift offensive has left thousands dead, driven hundreds of thousands more from their homes and raised fears of a wider regional conflict. We speak to Beverly Ochieng, Senior Analyst at Control Risks.