After more than two years of fighting the forces of Bashar al-Assad, the Syrian president, opposition fighters have started to turn their guns on each other for power and territory.Veronica Pedrosa discusses with guests Louay Almokdad, the political and media coodinator for the Free Syrian Army; Yezid Sayigh, a senior associate at Carnegie Middle East Center; and Haytham Sbahi, a Syrian political activist.