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.  Learn more about your ad choices. Visit podcastchoices.com/adchoices