Amanpour: Joshua Wong, Tom Malinowski, McKay Coppins and Casey Gerald

Joshua Wong, one of Hong Kong's key pro-democracy leaders, joins Christiane Amanpour to explain why protests have endured for a 10th consecutive week. Tom Malinowski, Democratic congressman and former Assistant Secretary of State for Human Rights under Obama, weighs in on the situation in Hong Kong as well as other human rights issues around the world. McKay Coppins, staff writer at The Atlantic, discusses the conspiracy theories surrounding billionaire sex offender Jeffrey Epstein's suicide. Our Michel Martin sits down with Casey Gerald, author of "The Black Art of Escape", to reflect on a dark anniversary for African-Americans - 400 years since the first slaves arrived on U.S. shores.