http://thinkprogress.org/education/2015/02/17/3623683/oklahoma-lawmakers-vote-overwhleming-ban-advanced-placement-history-class/
"An Oklahoma legislative committee overwhelmingly voted to ban Advanced Placement U.S. History class, persuaded by the argument that it only teaches students “what is bad about America.” Other lawmakers are seeking a court ruling that would effectively prohibit the teaching of all AP courses in public schools."
