Students know what they need to be able to do. and i think we can build good assessments and provide good information to students, to teachers and to parents, not to some test maker. >> steven, again, your assessment a few moments ago, again, is something i really hadn't heard before so i'm somewhat taken aback by it. but what's wrong with common core being used in addition to some of the other things that many school districts around this country are trying to try and bridge the chasm that exists that we know exists because of the undeniable relationship between poverty and achievement? >> i'...