The U.S. Postal Service (USPS) is drowning in red ink, having lost $9.2 billion in 2020 alone. Things weren’t looking rosy before the pandemic, either. In fact, America’s mail carrier has shed more than $80 billion over the past 15 years. When faced with such gargantuan losses, many businesses swiftly introduce far-reaching changes to pivot back to profitability. But owing to the strange, tangled status of the USPS as a government-managed enterprise, key decisions to get the agency back into the black are undermined by the actions of other branches of government. In recent years, the judicial branch has played...