Benjamin Netanyahu bet that his joint war alongside Donald Trump would topple Iran’s clerical rulers and bolster himself ahead of the election at home, as the architect of a US-Israeli alliance that would reshape the Middle East. Instead, Israel’s longest-serving prime minister is on a collision course with Trump as the US president seeks to extricate himself from the war, with both men’s goals unmet and Israeli military operations tied down in Lebanon. For now, Israeli officials have been...