President Trump arrives in the London Monday for a visit to the UK then Europe. It's a tumultuous time politically across the road - where do thing stand? And, Tiananmen Square 30 years after Beijing's brutal crackdown: how much has China changed? How much has stayed the same? Guests: Anne Applebaum, Bernard-Henri Lévy, Beppe Servignini, Jiayang Fan, Nicholas Kristof, Jamie Metzl

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