"Create uncertainty by threatening to bring in an unquantified tax. Promise not to introduce it. Then say you will. Then promise to end the uncertainty by bringing in what you promised not to."
We are such a tolerant bunch, these pollies must be thanking their lucky stars that they are "managing" aussies who will lie back and take it.
Another view of Cancun, with India saying that they haven't committed to anything(goodonem)but we are still(with one fiftieth the population)pressing on regardless.