I will admit that motivated students who get a chance to engage in historical discussions in my classes are fortunate. My students discuss slavery in the textbook, as well as the historiographical arguments and debates that shapes textbooks. Again, textbooks are for students. It gives them a basic narrative to follow. Great teachers introduce students to the complex arguments that shapes their historical thinking skills. This matter changes nothing for my teaching nor what my students read. Give this article a read: AP US History Caves to Conservatives, Will Down Play Slavery and Focus on American Exceptionalism. I am not sure where to start with the problems found in the title.