i understand it is just by last like but you get someone congressman creighto says he gets -- all the time. how do they determine that the hispanic community, and the latino vote, and along with that is for a long time they said they could not estimate the numbers of illegal immigrants in the country, but suddenly we get this number in concrete, 11 million. that has not changed despite so-called record numbers of deportation. how do they arrive at that? >> john? john: i can adjust the hispanic question. right now, the census asks two questions. the first question asks about hispanic origin, and the second question -- it has different categories to check. and the second question asks>> ? about race. part of the issue that the census bureau had been dressing -- addressing over the decade was understanding some of the issues associated with an "other race" category and hispanics was -- would sometimes marked that -- mark that category. they had done some significant research on combining the two questions together. they concluded that was the optimum way to ask about racial ethnicity. ho