S35 E18: Bitter Rivals: Iran and Saudi Arabia (Part Two)

Aired: 2/26/2018 | 0:54:47 | Episode
FRONTLINE traces how the 40-year rivalry between Iran and Saudi Arabia has fueled sectarian extremism across the Middle East for political gain. Correspondent Martin Smith travels to the battlegrounds of Syria, Iraq and Yemen to examine how the two powers have influenced the conflicts.