Cover Story Inside the mind of Iran's Khamenei

Why Iran's iron ayatollah distrusts the US and what that means for nuclear talks and the possibility of war with the West.

Vahid Salemi/AP

Deep inside an old Tehran political prison, three turns off a dark corridor and through a small gap, lies a bleak cell for solitary confinement. Too narrow for a prisoner to extend his arms, it was once the cell of the man who today holds the official title in Iran, "God's deputy on earth."