Amanpour: Angela Povilaitis, Georgia Wells, Tristan Harris, Leopoldo López and

Angela Povilaitis was the lead prosecutor of Larry Nassar, she speaks exclusively to Bianna Golodryga about the U.S. gymnasts' brave testimony and the institutional failings that permitted Nassar's abuse. Then reporter Georgia Wells and Tristan Harris, co-founder of Humane Tech and subject of "The Social Dilemma", discuss The Wall Street Journal report on Facebook's knowledge of its harmful impact on teen girls. Turning to Venezuela, opposition activist Leopoldo López, who's featured in the new documentary "A La Calle", says the erosion of democracy is a global problem demanding the attention of the United States. And our Walter Isaacson speaks to George Will, Pulitzer Prize-winning columnist at the Washington Post, about vaccine mandates, the GOP and his new book "American Happiness and Discontents" which reflects on American culture and the many attacks on expertise and rationality.

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