envy. >> the trends that have taken place in the u.s. over the past three decades are particularly of concern to economists and others. we've seen a steady decline, erosion in the size of middle class. that's not good for the economy. that's not good for all citizens of the american society and i think some of our policies have, as ser bathed that, such as through the tax policy and i think that there is certainly a legitimate policy issues and as the president's economic adviser, it's something that we are focused on. i don't think this is an issue about envy at all. and when all americans do well, america does well. ♪