Matthew Levitt, who has studied terrorist finances, explains the connections between Iran and Hamas:

Iranian support for Hamas is extremely significant – to the point that Hamas could not function as it does today were it not for Iranian financial and material support. I expected Mann Leverett to argue that while Iran does support Hamas it could be convinced to terminate such support if the right incentives were offered. I think that unlikely, but at least that would have been grounded in reality.

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