A true story of murder and conspiracy that points directly to Vladimir Putin, by The Guardian's former Moscow bureau chief and author of The Snowden Files and Collusion On November 1, 2006, journalist and Russian dissident Alexander Litvinenko was poisoned in London. He died twenty-two days later. The cause of death? Polonium--a rare, lethal, and highly radioactive substance. Here Luke Harding unspools a real-life...