Israel Thought It Could Spur Rebellion Inside Iran. That Hasn’t Happened.

As the United States and Israel prepared to go to war with Iran, the head of Mossad, Israel’s foreign intelligence service, went to Prime Minister Benjamin Netanyahu with a plan. Within days of the war’s beginning, said David Barnea, the Mossad chief, his service would likely be able to galvanize the Iranian opposition — igniting riots and other acts of rebellion that could even lead to the collapse of Iran’s government. Mr. Barnea also presented the proposal to senior Trump administration officials during a visit to Washington in mid-January. Mr. Netanyahu adopted the plan. Despite doubts about its viability among...