Meaningful reform in Iran is unlikely until the succession of the 86-year-old Supreme Leader is resolved. Deep uncertainty over who will hold power paralyzes the political system, preventing any faction from making significant changes and forcing the country into a holding pattern until the leadership transition occurs.

The IRGC increasingly wields the true power in Iran, while the Supreme Leader's role is becoming more symbolic. He serves as a "sacred totem" and a "lightning rod for criticism" but is ultimately a facilitator of IRGC influence rather than a check on its power.

Iran is at a critical inflection point as its aging and ill Supreme Leader, Ayatollah Khamenei, has no clear successor. The constitutional requirements for the role were tailored specifically for his predecessor, Khomeini. With no one in the wings who meets the criteria, the country faces significant instability upon his death.

While the previous Supreme Leader's caution kept Iran from weaponizing, his death and the rise of a leader closer to the IRGC increases the likelihood of a push for a nuclear bomb. The new leadership is more risk-tolerant and convinced a nuclear deterrent is necessary for survival.

While Mojtaba Khamenei is now supreme leader, his actual control is questionable. Iran is navigating a wartime transition with leaders in hiding, allowing factions like the Revolutionary Guard to vie for influence and pull the strings, suggesting a period of fragmented authority.

The recent conflict and the death of Ayatollah Khamenei have fast-tracked a predicted power shift within Iran. The Revolutionary Guard and military leadership now hold more influence at the expense of the theological establishment, a change that was expected to take a decade to unfold.

The death of Ayatollah Khamenei has removed a key moderating influence in Iran. The new leadership, euphoric from perceived military successes, is acting impulsively. This reckless system, led by generals, prioritizes projecting strength over the practical necessity of diplomacy to fix a devastated economy, making any negotiated settlement highly unlikely.

The transition to Mojtaba Khamenei represents a generational shift, not just a succession. It is the beginning of a process where younger officials—who experienced the regime's rise but missed its rewards—are taking control. This "coup" is more of a gradual replacement than a sudden seizure of power.

The new Supreme Leader, Mushtaba Khamenei, has been unseen since his appointment. His failure to lead his father's funeral prayers, a key religious duty, is raising significant questions within Iran about who is truly in charge, suggesting potential instability at the top of the regime.