When Barack Obama first ran for pres-ident, Emma Hamilton was part of that politically crucial cohort, the white working class. A tall woman with tawny hair, broad shoulders, a firm handshake and a forthright, direct manner, Ms Hamilton worked as a loader at a factory in Sum-ter, a modest city of 40,000 in east-central South Carolina. In July 2008, however, after seven years on the factory floor, she mangled her hand between two heavy rollers. The accident was to leave her unable to work.
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