title: //h2[contains(@class, 'primary')]
body: //div[@id='story']
author: //*[@class='by']/a
date: substring-after(//*[@class='date'], 'Published')

next_page_link: //div[@class='page-navigation']//li[@class='next']/a

test_url: http://nymag.com/news/features/wall-street-2012-2/