S&P Global Ratings warns that Australia's AAA sovereign credit rating may be at risk if election campaign pledges result in larger structural deficits, debt, and interest costs. Both the Labor and Coalition parties have made large spending commitments, including billions of dollars for new homes, tax cuts, and higher health spending. S&P Global Ratings Director Anthony Walker discusses the outlook and the nation's risks to external shocks amid Trump's tariff war on "Bloomberg: The Asia Trade."