NEW DELHI: Let Trade Run Free. Tie your currency to the US dollar. Align your foreign policy with America’s. The US and its Western partners wrote these economic rules, a cornerstone of the world order prevailing since World War II. Now developing countries, often called the Global South, are quietly revising them.The Global South sees a chance to chart its own future. Nirupama Menon Rao, a former Indian foreign secretary, points to her country’s spreading of digital payments to developing nations. “India’s outreach to countries in the Global...