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.

Donald Trump has begun filling out his national security team, and those selections have provided some insight into what his second term could entail.

Mike Huckabee, the former governor of Arkansas whom Mr. Trump has selected for a crucial diplomatic role, co-founded a company selling a cartoon “Kids Guide to President Trump.”