Well, you mentioned that Zardari has stated to remove 58-2-B. I asked you if you believe Zardari. What has NS gotta do with this question? NS is not up to become President, right... :)
I mentioned that Zardari remains the man in charge regardless of which one of his stooges or he himself becomes president. If president's powers get reduced that makes it even more of a non-issue. So regardless of whether he stays true to his word or not about 58-2b, the bottomline does not change. NS is relevant because he is the alternative to Zardari and somehow is being touted as the man with principles.
Saying that an agreement made earliar need to be re-visited and re-neogtiated because the ground realities and premesis have changed is , while not ideal, still morally better than signing an agreement in black and white with guarantors and then backing out of it, first denying that the agreement exists and then claiming signing on ten actually means five!