HARDtalk ExtraNovelist Barbara KingsolverBBC News Channel Duration: 30 minutesFirst broadcast: Fri 13th Jul 2007, 04:30 on BBC News ChannelLatest broadcast: Fri 13th Jul 2007, 23:30 on BBC News ChannelNovelist Barbara Kingsolver talks to Gavin Esler about her latest project, a personal investigation into America's food industry.GenresFactualArts, Culture & the MediaNewsBrandHARDtalk Extra Source: BBC Online