For decades, foreign policy experts—the blob—assumed much about the Middle East that has turned out to be completely wrong. It’s been remarkable to watch the mainstream press and official Washington try to downplay the significance of the peace deal the Trump administration brokered between Israel and two Arab states this week.The signing of the Abraham Accords on Tuesday between Israel, the United Arab Emirates, and Bahrain at the White House, which for the first time normalized relations between Israel and the two Persian Gulf states, is by any measure historic. It’s been 26 years since any Arab state recognized Israel,...