Swiss banks have been revered, loved, and hated for their tightly-held secrets, but Swiss bank UBS has agreed to a legal settlement with the United States government after it was revealed that the bank was operating as a willing shelter for tax evaders. The bank is set to give U.S. tax regulators access to hundreds of bank accounts and will also pay close to $780 million in fees. For more on the story we turn to BBC business correspondent Mark Gregory.