Political scientist George Friedman talks about the impact tensions are having in an already volatile region For more: .
Saudi Arabia severs ties with Islamic Republic.
OPIS chief oil analyst Tom Kloza on the impact of rising tensions between Saudi Arabia and Iran on the oil market.
Gen. Anthony Zinni, USMC (Ret.), on rising tensions between Saudi Arabia and Iran and the fight against ISIS.
Saudi Foreign Minister Adel al-Jubeir said his country is kicking out Iranian politicians and severing ties with Iran amid rapidly rising tensions between the two .
