Ahmad Chalabi is in possession of "miles" of documents with the potential to expose politicians, corporations and the United Nations as having connived in a system of kickbacks and false pricing worth billions of pounds. That may have been enough to provoke yesterday's American raid. So explosive are the contents of the files that their publication would cause serious problems for US allies and friendly states around the globe. Late last year and several months before Paul Bremer's Coalition Provisional Authority became involved, Mr Chalabi had amassed enough information concerning corruption in the oil-for-food scandal to realise that he was...