Key quotes include 'In Afghanistan, the ending was all that mattered', 'If someone were to ask me today whether the story of Hassan, Sohrab and me ends with happiness, I wouldn't know what to say', 'last Sunday's tiny miracle' - Sohrab's smile, 'The half that, maybe, in the most secret recesses of his heart, Baba had thought of as his true son', 'Sohrab's smile, a leaf in the woods, shaking in the wake of a startled bird's flight', 'For you, a thousand times over', 'I ran, a grown man running with a swarm of screaming children', 'Afghanistan becoming a republic in 1973 was a coup de tat', 'Th