Conservatives show vulnerability in class battleTories increasingly seen as upper class but poll shows party increasing lead over Labour as voters think Gordon Brown's leadership made recession worse Steve Bell on banking reforms Photograph: Steve BellIllustration: Copyright © Steve Bell 2008Steve Bell on banking reforms Photograph: Steve BellIllustration: Copyright © Steve Bell 2008Explore more on these topicsDavid CameronGuardian Opinion cartoonConservativesBanking