Messy and highly politicised attempts to revamp Indonesia's central bank are the latest blow to stumbling efforts to resurrect a battered economy. Economists and banking sources said the attempts to resolve a huge loan controversy centred on the bank have been tainted by personal vendettas and venal politicking, and threaten to end the key institution's brief period of independence. They warned that dwindling foreign confidence in Indonesia, as it lurches from crisis to crisis, can only be