Tom Horne and his wrongful battle against ethnic studies has been criticized by The New York Times editorial board. Here's a takeaway, but you can read the entire editorial here:

The school district has been put in a bind: shut the program down or lose state financing. Eleven teachers have sued to block the law. The school board, regrettably, did not join the lawsuit.

Educators and parents across the state should resist this effort to clamp down on education. Justice demands it. And even this ill-considered law suggests that Mr. Horne has badly overreached. One passage reads: “Nothing in this section shall be construed to restrict or prohibit the instruction of the Holocaust, any other instance of genocide, or the historical oppression of a particular group of people based on ethnicity, race or class.”

Arizona was rightly criticized in the 1980s and early '90s when it refused to join the nation in declaring Martin Luther King’s Birthday a holiday. It finally agreed in 1992, and the whole country has since traveled closer toward racial harmony. Arizona’s political leaders shame themselves and their citizens when they preach and promote the opposite.