21:06Newshour04/07/2021 20:06 GMT: Putin critic Mikhail Khodorkovsky says be wary of dialogue with RussiaBBC World Service Duration: 50 minutes Sun 4th Jul 2021, 21:06 on BBC World Service Americas and the CaribbeanMr Khodorkovsky warns the Kremlin is trying to rebuild the Iron Curtain. Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online