For years, Lebanon has been in political crisis. Civil war, political assassinations and all-out war with Israel shattered any hopes of peace this tortured nation may have had. Until now. Within days, leaders from all the parties gathered in Doha and reached a momentous agreement. Lebanon: The Audacity of Hope with Marwan Bishara, Al Jazeera's senior political analyst, asks if the agreement will hold and if it could be a model for the region.