Will the Iranian regime fall by September 30?

The Islamic Republic has survived the assassination of Ali Khamenei, sustained US-Israeli air strikes, the deaths of senior IRGC and security figures, widespread domestic protests, economic crisis, and war damage — and its response has been to form a provisional leadership council and continue exercising coercive control. That institutional resilience is the starting point for any honest analysis of a September 30 collapse deadline. The regime was specifically designed to survive power vacuums. The provisional council of president, judiciary chief, and Guardian Council representative that formed after Khamenei's assassination is exactly the mechanism the Islamic Republic built to prevent leadership transitions from becoming collapse opportunities. The system absorbing one of the most significant shocks in its history — the killing of its Supreme Leader — without fragmenting is evidence of organizational depth that September 30 collapse would need to overcome. The conditions for revolution are more favorable than at any point since 1979. Widespread anger, economic devastation, legitimacy crisis, elite fractures, and external military pressure have converged simultaneously. The Atlantic and Brookings analyses acknowledge this genuinely — the structural preconditions for regime change are present in ways they haven't been before. US intelligence officials nonetheless remain skeptical that Iran's fragmented opposition could actually dismantle the regime on a compressed timeline, citing the security services' continued organizational capacity. The resolution criteria is demanding in a specific way. Leadership turnover within the Islamic Republic doesn't qualify — a new Supreme Leader chosen by existing organs, or a militarized IRGC-dominated variant, resolves NO. What qualifies is the 1979-era governing structure being replaced by something fundamentally new. That's a higher bar than "regime is weakened" or "regime is chaotic."