UN Secretary-General António Guterres sent a letter to finance ministers and central bankers from the world’s 20 leading economies on Thursday urging they change course and steer a global economic recovery that includes developing countries hit hard by the Covid-19 pandemic, the impact of the war in Ukraine and escalating climate emergencies. The UN chief said in the letter ahead of the Group of 20 summit in the Indonesian resort of Bali next month that these world events along with the rising cost of living, tightening financial conditions, and unsustainable debt burdens “are wreaking havoc o…