Supporters welcomed the agreement as a step toward curtailing Iran’s influence within Lebanon, but others took to the streets, calling it a capitulation. After Israel and Lebanon signed a preliminary agreement in Washington on Friday aimed at establishing a lasting peace between them, the reaction in Lebanon was immediate and sharply divided.Supporters of the U.S.-brokered deal said it was a move to curtail Iranian influence in Lebanon, setting out a pathway for the disarmament of the Iran-backed militant group Hezbollah, which Israel is at war with. They also said it asserts Lebanese sovereignty over the country’s internal security.Others, not least...