America seemed headed for an economic fairy-tale ending in late 2023. The painfully rapid inflation that had kicked off in 2021 appeared to be cooling in earnest‚ and economic growth had begun to gradually moderate after a series of Federal Reserve interest rate increases.But 2024 has brought a spate of surprises: The economy is expanding rapidly‚ job gains are unexpectedly strong and progress on inflation shows signs of stalling. That could add up to a very different conclusion.Instead...