In the past week Western nations have ramped up the intensity of their attacks on Da'esh, with France increasing its air strikes and David Cameron pledging to also strike Da'esh positions in Syria. Meanwhile, further gains have been made by resurgent Assad regime forces, backed by Russian air strikes.
Is the Western response the right move at this time - and is it strategically motivated, or an emotional response to the recent terror attacks? Will closer intervention in Syria lead to co-operation with Assad, or further tensions with his sponsors in Russia? Whatever your view, send it in - via Twitter, Facebook or our website. The contributors best insights will be invited to explore their views further for our journal Sir!