The U.S. and Israeli attacks on Iran add yet more question marks around a U.S. economy already buffeted by on-and-off tariffs, weak hiring, and lingering inflationary pressures.The war has already raised oil prices and could lift prices at the pump as early as this week, but the ultimate impact on the economy and inflation will depend on the length and severity of the conflict, economists say. Should it wind down in a week or two, its economic effects would be minor and short-lived.Yet a longer...