Judd Legum at ThinkProgress writes:

An Oklahoma legislative committee overwhelmingly voted to ban Advanced Placement U.S. History class, persuaded by the argument that it only teaches students โ€œwhat is bad about America.โ€ Other lawmakers are seeking a court ruling that would effectively prohibit the teaching of all AP courses in public schools.

The dumbening of America continues. Still, as a Republican strategy, this is top-notch: if you want to keep voters dumb and scared, this policy is a great way to do that.