As the U.S. dollar plunges at a historic pace, the world watches with rising alarm—not just at the numbers, but at what they reveal: a growing mistrust in U.S. economic policymaking and a rising specter of political interference at the heart of global monetary policy. Donald Trump’s renewed verbal assault on Federal Reserve Chair Jerome…

In the circus of global financial systems, few duels have been as compelling—or confounding—as the one between President Donald Trump and Market. The former, a man of shifting policy and flair for chaos, has made an indelible mark on the rhythm of global markets. The latter, a fictional character first crafted by Benjamin Graham and…