President Donald Trump has reached his “tear down this wall” moment.

He has a chance to add as many as 27 Muslim-majority or Muslim-plurality nations to the Abraham Accords. That achievement would not only transform the Middle East but also counter the pro-Hamas intifada gaining ground in the United States.

A wave of Accords signings would not only reshape the Middle East but also serve as the modern echo of Reagan’s challenge in Berlin 40 years ago: ‘Mr. Gorbachev, tear down this wall.’

Twenty-one countries appear ready to sign, with another six possible candidates. Seventeen others remain unlikely for now, but shifting regional dynamics could bring them around.

A post-theocratic Iran would almost certainly reverse course, and with President Recep Tayyip Erdoğan on shaky ground ,

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