this is gps, the global public square. welcome to all our viewers in the united states and around the world. i m fareed zakaria. first up, a tour of the world and the united states with a terrific panel. we ll tackle the euro crisis, britain, riots, the united states and much more. then what in the world? should the u.s. be taking economic queues from iran? maybe. i ll explain. next, an inside look at intelligence and the war on terror are john miller who has just resigned as one of the nation s top spooks. finally, a last look at how not to be a spy. first, here is my take. i wrote a blog post for our gps website, cnn.com/gps that has gotten a great deal of reaction. let me talk about it for a moment. it all started because i read a website that pointed out after the s&p downgrade of the united states, no country with a presidential system of government had a aaa rating from all three rating agencies. only countries with parliamentary systems have that honor with the p