Amanpour: Tim Bray, Shoshana Zuboff, Fary and Carl Zimmer

CEOs from four of the world’s most powerful companies  - Amazon, Apple, Facebook and Google - faced a grilling before US Congress on Wednesday, asked to explain how their vast empires and business practices are reshaping the world we live in. Former Amazon Vice President Tim Bray, and author of "The Age of Surveillance Capitalism", Shoshana Zuboff, join Christiane Amanpour to discuss the role and responsibilities of big tech. Then French comedian Fary talks candidly about the myth of his country's colourblind ideal, and his recent project 'Hexagone'.  And our Walter Isaacson speaks to Carl Zimmer, award-winning science writer and New York Times columnist, about the race for a coronavirus vaccine and the diverging approaches being taken.

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