Under an amendment recently signed into law, a whistleblower may now bring a case against a business that allegedly concealed or avoided an obligation to pay tax, regardless of whether a return or any other statement was filed.

Insurers appear increasingly likely to employ computer algorithms or people with little relevant experience to issue rapid-fire denials of claims—sometimes bundles at a time—without reviewing the patient's medical chart.

We're likely to replay the drama in two years, and even though the United States didn't miss a payment, the drama prompted a downgrade in the nation's credit rating and a stock market slide.