As the world waits with baited breath for the results of the US presidential election, we look at one big issue rarely mentioned in this campaign: today's big power struggle between the United States and China. Plus, we take a look at unelected power, revisiting Christiane's conversation with biographer Robert Caro 50 years since he examined Robert Moses, who built - and even trampled over - New York. And Walter Isaacson speaks to historian David Rubenstein about his interactions with most living presidents and what it means to lead America.
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