The biggest question facing the US economy is when skyrocketing consumer prices will come back to earth. The emergence of the Delta variant only deepens that inflation mystery. The hope is that inflation will cool off as the economy fully reopens, allowing supply to catch up with increasing demand. But the summer surge in Covid-19 cases is complicating that thinking. That's because the Delta variant threatens to both ease pricing pressures in the short term -- and worsen them in the long run.Covid alarm bells sounded on Wall Street on Monday, with the Dow sinking 726 points, or 2.1%. Markets rebounded swiftly on ... (full story)