Trump says Iran's supreme leader 'should be very worried' amid rising tensions

Should the Supreme Leader in Iran be worried right now? >> I would say he should be very worried. Yeah, he should be. As you know, they're negotiating with us. >> I know they are. But the protesters have said, you know, where are the Americans? You promised them we we would have their back. Do we still have their back? >> We've had their back. And uh look, that country is a mess right now because of us. We went in, we wiped out their nuclear. >> So, we have peace in the Middle East. >> If I didn't take out ...