Iowa bill limits diversity training & teaching certain concepts about race and sex ACLU calls it "chilling" There's a controversial bill that just passed the Iowa House; it prohibits institutions like public universities and K-12 schools from teaching "defined" concepts about race and sex. and last updated 2021-05-07 19:44:15-04 COUNCIL BLUFFS, Iowa. (KMTV) â There's a controversial bill that just passed the Iowa House; it prohibits institutions like public universities and K-12 schools from teaching "defined" concepts about race and sex. ACLU of Iowa's Executive Director Mark Stringer gets heated when talking about the legislation, calling it "chilling" to the state.