Saudi Arabia’s leaders are trying to avoid further regional escalation that would risk miscalculation or prolonging of the war, which has now stretched into its sixth month. The senior Israeli official described the conversation between Mr. Trump and Netanyahu as “very clinical.” The senior Israeli official acknowledged that economic sanctions and blockades could be effective in persuading more pragmatic Iranian officials to pursue diplomacy. As the official put it, Netanyahu is not a vassal of Trump, and Trump is not a vassal of Netanyahu. Another Israeli official emphasized that funding from Iran continues to flow to its proxies including to pay Hezbollah salaries.