Just 22 percent support a single Israeli state in the entire land, as Huckabee does. Thus, though exceedingly unlikely to bring peace to the Middle East, Huckabee’s appointment has one salutary effect: It makes clear whom Trump’s Israel policy is meant to serve.

If confirmed, Mr. Huckabee, a former pastor who has never served as an overseas diplomat, would play a crucial role in helping Mr. Trump try to end the war in Gaza.