Do we have to wait for soup lines in Shaker Heights before we have a serious debate on the economy? In the last two Democratic debates, not one question was directed at what to do about the economy. Iraq, health care, the politics of parsing, pearls or diamonds — all got attention. But the economy — growth, jobs, wages, inflation — the basic stuff has been missing in action. Now, with Republicans headed into the YouTube debate on Wednesday night, it’s time for the unctuous moderators to cut to the chase.