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That morning, not all that far from Big Lou’s coffee bar, on the eastern side of Scotland Street, behind a Georgian window, with its white-painted astragals and its Palladian proportions, Stuart Pollock sat across the breakfast table from his mother, Nicola, ex-wife of an unfaithful Portuguese wine producer, proprietrix of the Glasgow pie factory now trading as Inclusive Pies, and grandmother – now mother-substitute – to the two small boys, Bertie and Ulysses.