Did Bush Help Quash Ivestigation of Saddam Kick-back Scandal?

US Senator Tom Harkin asks if AWB broke WTO or US laws:

I think it's safe to say at least some parts of the Australian government were aggressively lobbying people here in Washington to discredit any claims that AWB was bribing the Saddam Hussein regime...

Some of the documents that have come out of the Cole Inquiry have shown that upper level Bush officials helped advised the Australian government on kind of how to quash the growing scandal of AWB.