Jon Alterman (CSIS) writes this for MESH, here
"....While each side has powerful reasons to negotiate, however, there are equally powerful reasons not to conclude a deal. Such reasons start with the political weakness of each leader, who would be hard pressed to make monumental concessions to a longstanding enemy whose ultimate intentions are disputed. The Bush Administration’s keen disinterest in engaging Syria also dims hopes, as one of the prizes the Syrians seek is U.S. acceptance. A year from now, with a new U.S. president and likely a new Israeli Prime Minister, the situation might be different, and in the interim, there are certainly common understandings that can be reached..."