our correspondent, jim muir, following developments for us from beirut. he joins us live from our bureau there. jim, has this mission been a success, do we think? >> well, obviously, there are different readings. some of the observers have jumped ship during the process over the last few weeks obviously don't think so. the chinese have commented very favorably on it. the syrian opposition believe it's been a bit of a farce, with them being basically led by the nose and having the wool pulled over their eyes, mixed metaphors there. so, as i said, depends which side of the fence you're on. but the key thing will be what exactly the commander of the force on the ground -- i say force, i mean, the observer deployment, actually reports back to the arab league. and that will be considered on saturday, and they will draw the relevant conclusions. they may belief that their presence on the ground has helped to ease some of the violence. a very troubled town over near the border with lebanon, syrian troops are reported to have pulled back from the town, leaving it