By Tal Shalev, CNN (CNN) — The incoming director of Israel’s Mossad spy agency believed a war with Iran could trigger the swift collapse of the regime, according to three Israeli sources familiar with internal consultations – an assessment that has failed to materialize after more than 40 days of fighting. Roman Gofman, currently serving as Prime Minister Benjamin Netanyahu’s military secretary, told the Israeli leader in planning discussions that the Iranian regime could be toppled, a view shared by the agency he is set to lead, and one that proved overly optimistic. Gofman is slated to assume the post...