If the U.S. had competition among schools, as John Stossel suggests, then perhaps students could avoid being subjected to things like this.
Update: Michelle Malkin has published a transcript of the tape made by the 16-year-old, Sean Allen. Sean spoke up to disagree with his teacher, who among other things referred to the United States as the "single most violent nation on planet Earth."
My daughter recently walked out on a Michael Moore documentary being shown in her AP Government/Economics class. I suspect this kind of far left indoctrination goes on in our high schools far more often than anyone realizes.