The decision came as a surprise — with the AP widely expected by the White House press corps to be favored to win the initial ruling in the standoff triggered by the organization’s refusal to change its style guide to identify the Gulf of Mexico as the “Gulf of America” after Trump changed the official US name.

the White House on Friday doubled down, appearing to bar the organization’s journalists from traveling on Air Force One as well. The feud, which the White House Correspondents’ Association has ...