Mark Dubowitz is joined by former U.S. Ambassador to Saudi Arabia Michael Ratney to break down the complex Saudi–Iran stalemate — from the 1979 Siege of Mecca and Khomeini’s revolution, which forced Riyadh into a hard-line Sunni revival and Tehran into expansionist zeal, to today’s regime-backed Houthis raining fire into Saudi Arabia from Yemen, with China’s covert diplomacy maintaining a brittle détente. Already fragile relations hang by a thread — and one misstep could ignite the region’s next inferno.