When The Donald sneers at Mexicans, blacks and women or talks about banning Muslims, the mainstream media call him "unacceptable." Trump responds that he won't be "politically correct," and crowds roar with approval. He's saying what many angry Americans want to hear. The fear of terrorism is ripe for his exploitation and, beyond that, the fear of being left behind by cultural diversity and a changing economy. With white supremacy and hate crimes on the rise, we look at the risks of making the "unacceptable" sound respectable after all.