As his 1972 summit with Mao Zedong approached, President Nixon prepped by considering three simple questions: What did China want? What did the United States want? What did they both want?
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Joshua Tucker, Jordan Gans-Morse: What Trump and Putin want from their historic summit?
US President Donald Trump (R) and Russia's President Vladimir Putin talk as they make their way to take the "family photo" during the Asia-Pacific Economic Cooperation (APEC) leaders' summit in the central Vietnamese city of Danang on Nov. 11, 2017.
