SYDNEY, Australia (AFP) — Australian Prime Minister Scott Morrison on Wednesday warned that “collateral damage” from trade spats between China and the United States were hurting smaller countries and threatening the global economy. In an unusually public warning to allies in Washington, Morrison said the “world’s most important bilateral relationship –- the US-China relationship” had become “strained”. “Trade tensions have escalated. The collateral damage is spreading. The global trading system is under real pressure. […]