Is America headed for a new "golden age"? Or will Donald Trump’s promise falter? And where does that leave the quest for prosperity across the Atlantic? They're the questions on the lips of many economists, business leaders and politicians gathering at the World Economic Forum in Davos.

Host Anne McElvoy talks to two authorities on the United States and global economy: Ken Rogoff, professor at Harvard, chess grand master and former chief economist at the International Monetary Fund, and Huw van Steenis, who was a senior adviser to the former Bank of England Governor Mark Carney and is now vice chair at the consultancy Oliver Wyman.

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