Donald Trump’s trade war could raise the price of American hamburgers, Australia’s trade minister has warned, amid fears that tariffs could be extended to beef and other agricultural products. The trade minister, Don Farrell, said most of Australia’s beef exported to the United States went to fast food giant McDonald’s, and any new tariffs on our goods would inevitably increase the price Americans pay for their cheeseburgers or Big Macs. He said he would continue pressing for Australian exemptions to Trump’s expanding tariff agenda, conceding he didn’t know what the president would consider in any possible deal, but that he