sort of ban would be necessary, what it aims to do. >> well, first of all, it aims to make sure that our students are not segregated into classrooms where they are taught that they are oppressed and victims of classrooms, that teach, that they are oppressed and victims of teachings in our school systems and making sure that the public school systems are not teaching history or solidarity of certain ethnic group, in which we believe that the tucson unified school district has been doing for some time. >> there's something underlying this. scratch away from the surface and there's clearly a problem that is trying to be solved here. what's the issue? do you think the tucson school district has somehow been promoting? one of the bans here is -- is banning the the overthrow of the united states government, banning courses to promote the overthrow of the united states government. have they been teemping courses in tucson about that? >> there is ethnic studies which