We’ve published a fair number of articles on the issue of finance and employment in a writer’s life. In general, writers assume that the ideal source of income, at least as far as it concerns their own careers, is one that leaves them free of worries and blessed with ample time. In the latest Bookends, Mohsin Hamid and Rivka Galchen tackle a more existential question — do money woes inspire writers to greater heights of creativity?