<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/07/160x104/54da6cabdbb03_-_esq-03-paul-krugman-bruce-bartlett-lg.jpg>
<http://www.esquire.com/news-politics/news/g769/opinion-columnists-nyt-5456099/>