Donald Trump's Jerusalem Decision: Democrats Accuse President of Playing Politics | National Review
Trump may know no more about Middle East policy than he knows about most other issues. But his instinctual resistance to playing by existing rules has led him to the realization that the policies of his predecessors failed to foster peace and encouraged the Palestinians to believe that no one will ever hold them accountable for their intransigence and support of terrorism.
Unlike every previous president, he has grasped, even if by accident, that the necessary predicate for peace must be Palestinians' acceptance of Israel's permanence and legitimacy as well as an end to their financing of terror. [from here]