Mr Hastie said the US president was testing the boundaries of the world order and would not rule out supporting a new tax on gas exports to shield Australians from the economic fallout. "It's not just Iran, China and Russia testing this world order Donald Trump and his team have said it's dead, and we need to take that seriously," he said. The government has sought modelling from the Treasury for new levy options on gas exporters profiting from the global energy crisis. Unions, the Greens, crossbenchers and One Nation are among those who want gas profits levied, with pressure mounting on Labor to respond to growing calls to reform the current tax system.Some members of the Coalition have joined the gas industry to argue the current energy crisis is the worst time to act.But Mr Hastie signalled he may be open to the levy, and said the Iran war had changed Australia's position. "I think multinationals and big business in this country have lost their social licence