He knows that no Jew except for the most extreme leftists ever will give up sovereignty over the Old City, let alone the Western Wall and signing off the Temple Mount forever, until the next war.
He knows that no Muslim who wants to stay alive ever will declare he is ready to give up the de facto Muslim control of the Temple Mount.
That omission is part of the simplicity and ignorance that comes through looking at the Middle East through Christina American eyes.
When an American president starts preaching only to his own people, the Middle East will be a far safer and better place to live.