i'm sure that dewaal rushed out to see the document about income inequality. it's hot in california maybe not quite as much here in washington, d.c.. and we also argue i think even more importantly, is income inequality, even the right question to be asking. and the equality of the opportunity in this society. isn't the right question in, mobility? are people able to move up and down the scale not whether the income is actually equal? and when you look at the studies of the income mobility, what you find is we still have a great deal of mobility in this country. there were two -- unfortunately they lagged time wise. they're very difficult to do but the two studies of income mobility from 1996 until 2005. event that we a great deal of income mobility than divides it into the five quintiles and from the study you find half of the tax payers during that period moved from one quintile to another and you find half of the people in the bottom moved up to a higher quintile of income which i think you wouldn't normally believe if he were just listening to the income i