A study of the admissions patterns of 50 of America's top colleges and universities shows how hard it is to be admitted if you are poor and white. Russell K. Nieli analyzed research done by Princeton professors Thomas Espenshade and Alexandria Radford. Their study found that most private colleges don't want to waste limited scholarship money on students who don't enhance the racial diversity of a campus: "Poor whites are apparently given little weight as enhancers of campus diversity, while poor non-whites count twice in the diversity tally, once as racial minorities and a second time as socio-economically deprived." But...