President Trump has spoken repeatedly about his desire to find the “deal of the century” to resolve the Israeli-Palestinian conflict. While the president’s specific plan remains a tightly held secret, he and several aides occasionally drop hints about it. From what one can tell, it doesn’t sound good.

The first theme of Mr. Trump’s comments is neutrality toward Israel and the Palestinians. He had already expressed that in December 2015, when he insisted both sides “are going to have to make sacrifices” to achieve peace, and...