Sergey Markov, Director of the Institute of Political Studies, joins Christiane Amanpour to discuss Russian opposition leader Alexey Navalny's sentencing to two and a half years in jail. Marina Litvinenko, widow of Alexander Litvinenko, talks about the ongoing protests across the country and the her unique perspective following her husband's death in 2006 that was likely at the hands of President Putin. Artist Kehinde Wiley, best known for his presidential portrait of Barak Obama, discusses spending the last year in his Senegal studio and watching the Black Lives Matter protests in America play out from afar. Our Walter Isaacson talks to Adam Grant, author of "Think Again: The Power of Knowing What You Don't Know" about whether we can unlearn firmly held opinions and beliefs.
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