Trump’s war on the Federal Reserve heads to the Supreme Court next week

Jerome Powell posted a video message on Sunday, addressing the nation. | Chip Somodevilla/Getty Images

On Sunday evening, Federal Reserve chair Jerome Powell posted an unusual video message to the nation, revealing that the Trump administration opened a criminal investigation into him — ostensibly because of a dispute over renovations to a Federal Reserve building.

In reality, this investigation is almost certainly a pretext seeking to hound Powell out of office. President Donald Trump...