Amanpour: John Brennan, Laurie Woolever, Brian Castrucci and Frank Luntz

John Brennan, former CIA director, joins Christiane Amanpour to discuss the ongoing G7 meeting in London and it's key theme of promoting democracies in a world with increasingly strong autocracies. Laurie Woolever, co-author of "World Travel: An Irreverent Guide", talks about her colleague, the late Anthony Bourdain, with whom she discussed writing this book about his travels before he took his life almost three years ago. Hari Sreenivasan talks with Brian Castrucci, President and CEO of the de Beaumont Foundation, and Frank Luntz, political pollster and strategist, about how to change the minds of vaccine hesitant Americans.

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