US President Donald Trump has set his sights on the Federal Reserve, his unprecedented threat to fire the Fed Chair Jerome Powell and replace him with someone more willing to lower interest rates sent financial markets into a tailspin. 

It’s taken decades to build robust, independent central banks that people trust to fight inflation and keep the economy on track. But now a generation of populist leaders are threatening to undo that important work. So what will that mean for the global economy? 

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