WASHINGTON—President Trump presided over the signing of a Middle East peace agreement between Israel and two Gulf nations Tuesday, calling it the foundation for a broader alignment against Iran that would fundamentally change the geopolitical dynamic in the region.
The so-called Abraham Accords, brokered by the U.S. and signed by the U.S., Israel, the United Arab Emirates and Bahrain, normalizes relations between the nations and further isolates Tehran. The agreement also leaves out the Palestinians, who have not engaged…