Cover Story Inside the mind of Iran's Khamenei (+video)

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."