Haaretz article by Ari Shavit shares the concerns that I've been writing about.

Bibi has to say "no" to Obama's demands on Jerusalem and to indirect negotiations on core issues (which is equivalent to appointing Obama as binding arbitrator).  There could be awful consequences to doing this, and Bibi has to make some reasonable offer to compromise.  If Obama were forced to reiterate his demand for what amounts to binding arbitration, some more people might wake up and say hey what is going on here....