There have been a lot of protests from minority students on college campuses who are angry about the alleged racism they feel from the schools they have chosen to attend. But when you read this article in the Times about minority unhappiness at Amherst, a lot of it sounds like mental anxiety, even illness, created by affirmative action: Hundreds of students crammed into Amherst College's Robert Frost Library for a sit-in against racial injustice that turned into a confessional, as one black or Hispanic student after another rose to talk about feelings of alienation and invisibility on campus. They wanted...