Luke Harding is an award-winning foreign correspondentwith the Guardian and a #1 New York Times bestselling author.Between 2007 and 2011 he was the Guardian'sMoscow bureau chief; the Kremlin expelled him from thecountry in the first case of its kind since the cold war. He isthe author of numerous books, including Shadow State, Collusion,A Very Expensive Poison and The Snowden Files, aswell as the co-author of WikiLeaks and The Liar (nominatedfor the Orwell Prize). Two of Harding's books have beenmade into films: The Fifth Estate and Snowden.