The situation in Syria is catastrophic and everyday that goes by, we see the results of the regime, by Assad in partnership with the Iranians on the ground and the Russians in the air, bombarding places in particular aleppo, where there are hundreds of thousands of people, probably about 250,000 people still left. And there is a determined effort by the Russian Air Force to destroy Aleppo in order to eliminate the last of the Syrian rebels who are really holding out against the Assad regime. Russia hasn't paid any attention to ISIS. They are interested in keeping Assad in power. So I, when I was secretary of state advocated, and I advocate today a no-fly and safe zones. We need some leverage with the Russians because they are not going to come to the negotiating table for a diplomatic resolution unless there is leverage over them. And we have to work more closely with our partners and allies on the ground. But I want to emphasize that what is at stake here is the ambitions and aggressiveness of Russia. Russia has decided it is all in in Syria, and they’ve also decided who they want to see become President of the United States too and it's not me. I stood up to Russia; I’ve taken on Putin and others and I would do that as president. I think wherever we can cooperate with Russia, that's fine and I did, as Secretary of State, that's how we got a treaty reducing nuclear weapons, it’s how we got the sanctions on Iran that put a lid on the nuclear weapons program without firing a single shot. So I would go with more leverage than we have now. But I support the efforts to investigate for crimes, war crimes, committed by the Syrians and the Russians and try to hold them accountable.