While some Jewish leaders welcomed recognition of Jerusalem as Israel’s capital, many worried that the step would inflame tensions and make peace in the Middle East even harder to achieve.
In midday remarks from the White House, President Trump is expected to declare that “America is Back” as he sums up a year of action on the world stage.
Mr. Barak, Israel’s former leader and defense chief, does not want Mr. Trump to decertify the deal — a step the president is expected to take.
The president tends to shoot from the hip, while Secretary of State Rex W. Tillerson is more plodding, which has won him few friends in Washington.
Mr. Fromkin was a lawyer as well as the founding director of the Frederick S. Pardee Center for the Study of the Longer-Range Future at Boston University.
Mr. Trump leaves as a newly appointed special counsel begins looking into any ties between Russia and the president’s campaign.