As the United States and Iran are locked in a battle for power and influence across the Middle East -- with the fear of an Iranian nuclear weapon looming in the background -- FRONTLINE gains unprecedented access to Iranian hard-liners shaping government policy, including parliament leader Hamid Reza Hajibabaei, National Security Council member Mohammad Jafari and state newspaper editor Hossein Shariatmadari.

In this report, that focuses on the tumultuous U.S.-Iran relations since 9/11, FRONTLINE examines how U.S. efforts to install democracy in Iraq have served to strengthen Iran's position as an emerging power in the Middle East.

First aired October 23, 2007. RT 58:11.