As we expected, today’s Senate Banking session with Chairman Powell is a preview of broader national debate ahead of the midterm election. Democrats generally sought to emphasize their understanding of inflation’s costs without lambasting the Fed and, indirectly, the Biden Administration. Still, Sens. Ossoff (D-GA) and Warnock (D-GA) pressed Mr. Powell on the Fed’s failure to begin to tighten last summer. Republicans were strongly united in lambasting….