Republican Senator Mitt Romney and Democratic Senator Chris Murphy join Christiane Amanpour from Washington D.C. to discuss their bipartisan trip to the Middle East and the growing tensions between the U.S. and Iran. Bill Weld, the only Republican challenging President Trump in the 2020 election talks about why he decided to run. Our Hari Sreenivasan talks to Neha Narula, the Director of the Digital Currency Initiative at the MIT Media Lab, about the future of cryptocurrencies.
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