Was it Jamie Dimon or the bond market? Donald Trump played chicken with the markets for a week. But by Wednesday the multi-front trade war he launched on the world on April 2 with much fanfare had become unsustainable economically, financially and politically for the US president. In an abrupt move, Trump swerved away from the steepest tariffs he had set on US trading partners – with the exception of China – declaring a 90-day pause in the levies to give markets time to breathe and leave room for negotiations. [ Trump tariffs latest: Pause sees stock markets surge but...