?smprod=nytcore-iphone&smid=nytcore-iphone-share Please, don't do that. As for the article itself, I thought it's common knowledge that in most civilized worl

?smprod=nytcore-iphone&smid=nytcore-iphone-share Please, don't do that. As for the article itself, I thought it's common knowledge that in most civilized world, social mobility is decreasing and income gap is increasing.