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The execution of a Shiite cleric by Saudi Arabia on Saturday sparked violent anti-Saudi protests in Iran yesterday. In response, Saudi Arabia severed diplomatic ties with Iran last night, and allies including Sudan and Bahrain followed suit this morning.
What are the geopolitics of this latest conflagration in the Middle East? Here & Now security analyst Jim Walsh of MIT's Security Studies Program discusses this with host Meghna Chakrabarti.
This segment aired on January 4, 2016.