On Foreign Entanglements, Rob speaks with Mark about sanction policy against Iran. Mark is optimistic about US sanctions efforts, but Rob worries that Iran is pursuing a nuclear weapon anyway. Could Iran split the broad coalition that supports sanctions? Rob reminds us that even if Iran completely abandoned nuclear ambitions, Tehran would still be in rough shape. Mark and Rob compare Iran to heavily sanctioned regimes of the past. Finally, what will Obama do if Iran gets the bomb?