The Saudi leadership will most likely tone down the rhetoric once it contains the fallout of the domestic purge. While the White House will give Riyadh latitude for a while, pressure will grow in Washington to prevent further regional escalation. Iran has been expectedly reserved in its reaction and prefers not to risk regional gains for an impromptu confrontation. If the US does not contain the situation, unintended consequences might follow. Click here to read my latest analysis on what to make of the Saudi rhetoric toward Iran.