THE VANISHING MIDDLE? "The Census Bureau data show that on an inflation-adjusted basis, households in the middle quintile of the income distribution today have the income level that the quintile above them enjoyed 30 years ago. How does this help make Krugman's case that we are losing the middle class?" asks Arnold Kling. Jane Galt commends Kling's article as a shorter version of her thorough response to Paul Krugman's recent article on economic inequality.