Extras

Video thumbnail: FRONTLINE "Bitter Rivals: Iran and Saudi Arabia" - Preview

FRONTLINE

"Bitter Rivals: Iran and Saudi Arabia" - Preview

How Iran and Saudi Arabia's rivalry has plunged the Middle East into sectarian war.

"Bitter Rivals: Iran and Saudi Arabia" - Preview

Video thumbnail: FRONTLINE A Saudi Official Reflects on Extremism

FRONTLINE

A Saudi Official Reflects on Extremism

A Saudi official makes a rare reflection on the kingdom's role in the rise of extremism.

A Saudi Official Reflects on Extremism