Krugman does, in fact, link to more detailed criticisms in his article, specifically this: http://thinkprogress.org/climate/2014/03/19/3416369/538-climate-artic

Krugman does, in fact, link to more detailed criticisms in his article, specifically this: http://thinkprogress.org/climate/2014/03/19/3416369/538-climate-article/ http://thinkprogress.org/climate/2014/03/19/3416369/538-clim...