... Laws setting guiderails for classroom instruction on race passed this year in Republican-controlled states have left some teachers worried about how they will be enforced. Particularly in districts with large numbers of people of color, educators say they worry everyday discussions about students’ experiences could land teachers in hot water. In response to a push for culturally responsive teaching that gained steam following last year’s police killing of George Floyd, Republican lawmakers and governors have championed legislation to limit the teaching of material that explores how race and racism influence American politics, culture and law. The measures have become...