Britain’s prime minister Gordon Brown repeated his call Saturday for former bank chiefs to give up massive pension packages and demanded a clean-up of the banking system to eradicate "Indefensible" practices. In a speech to the ruling Labour Party’s National Policy Forum in Bristol, south-west England, Britain’s Press Association quoted him as saying: “Some of the practices now being discovered in our banks are not only unacceptable, they are indefensible and they have got to be cleaned up now.