Writer Narguess Farzad explores the impact of the 1979 revolution in Iran.
Uncovering papers which accused the BBC of biased reporting of the Iranian revolution.
Shah of Iran loses power.
Jim Muir investigates secret contacts between the Americans and Ayatollah Khomeini.
US goes it alone over respondng to Khomeini's takeover of Iran.
In February 1979, Iran was undergoing a revolution which would lead to an Islamic state.