How did Iran become the sworn enemy of Israel and the United States, despite being allies of Iran’s Shah in the 1970s? A look at shifting geopolitics and war in a troubled region.

For more than forty years, Iran, Israel and the United States have been fighting a covert war. A look back at this long war which has brought hardship and choas to the Middle East. This second episode begins with the Madrid conference and the United States' wish to improve relations between Israel and its neighbours. One notable absentee: Iran, which was not invited...