Dhaka, Nov. 23 -- Until 2016, global leadership was a hallmark of American greatness. The United States (US) was at the forefront of establishing and supporting the United Nations (UN), the International Monetary Fund (IMF), the World Trade Organization (WTO), and much else. America was exceptional in that, despite its stature at the end of World War II, it chose to build a world order through multilateralism and global institutions, rather than pursuing reparations and unilateralism.

It is almost impossible to comprehend how much damage Donald Trump's presidency has done to America's global standing these past four years. From the start, his administration sought to reverse longstanding policies that had been embraced by Republicans and...