Commuters cross the Millennium Bridge during a rainy morning in London
Commuters cross the Millennium Bridge during a rainy morning, towards the financial district the City of London November 27, 2012. In background is St Paul's Cathedral. Britain's economy will grow much more slowly than previously thought next year, and finance minister George Osborne should be ready to abandon a key debt target if growth weakens further, the OECD said on Tuesday. REUTERS/Stefan Wermuth (BRITAIN - Tags: CITYSPACE ENVIRONMENT BUSINESS POLITICS)