It took Alexander Litvinenko 23 painful days to die. It has taken another agonizing 2,987 days for the British government to open a public inquiry into his murder, a process that cannot deliver justice to the victim, his widow Marina or son Anatoly, but may at least provide an official account of events leading up to his death. As he lay dying after ingesting radioactive polonium-210, Litvinenko blamed the Kremlin. Yet the evidence expected to unfold at the High Court in London over the next 10 weeks is likely to reveal not only an intricate web of relationships between spies...