certainly compensated and that importantod to italy for people who are physicists or mathematicians who have a whole set of attractive alternatives in the private sector. i think that is the first or. the second part is cultural. even in a place where i work, like harvard, if somebody didn't know the names of five shakespeare lazing can talk about shakespeare, they would be humiliated to admit it. but if they don't know what exponential growth is, they would say, oh that is a technical subject in mathematics. so we have a culture that treats mathematics as something that is ok not to know, that only geeks know. they don't have that culture in much of asia where they do much better and it is a broad to anal thing that goes towards of or mathematics and science. >> one of the most fundamental speeches he would make about the disparity in income, income inequality, what did you think of that speech and how it was phrased and what he could accomplish and what it says about this president? >> i thought it was an excellent speech. -- untilf you look some date, people would say it was 15 years