. >> melissa goldstein. i suspect that many of these scientists perhaps most going to industry thinking that they are going to do the good fight from the inside to try to work from within. i am wondering what you think about how we can parse that could work out. i think even the one of the studies you should came up with it validated response, the chromium industry but it got squashed by the industry so i'm wondering how we confine that could work in validated? >> evin moreso most scientists-- what happens is when an industry is facing a crisis and they see it chemical has been implicated in harm, they will use their own scientists. they often go outside and find consultants who really are sleazy and know how to work the regulatory system so i think the most important thing though is essentially what i would call regulation by shamming. people lafta have the name on the document and there has to be a public conversation around this work. there was a very well-known professor of the university of alabama was