I think it's still possible to return to constitutional rule quickly. What ECOWAS negotiators are banking on is that since the original motivation for the coup was, in a sense, patriotism and nationalism, they're appealing to that and to the leaders in saying, “Look, do not let your country lose its territorial integrity by your actions. We understand that you were motivated by good intentions. Make sure that you're not counterproductive in your actions.” They're being pretty tough with that message.
On April 4th, 2012. See this statement in context.