With Iran, Another "Failure of Imagination"

Three weeks into the largest uprising in the Islamic Republic’s history, the country has gone dark.

With the internet shut down and security forces unleashed, thousands — possibly tens of thousands — of Iranians have been massacred in an unprecedented and brutal crackdown.

Behnam Ben Taleblu joins Bill to unpack what this revolution means, why defections — not protests — are the real tipping point, and why the West’s failure to act may leave permanent scars — on Iran, and on U.S. credibility.