http://www.bloomberg.com/news/2013-04-15/why-well-informed-people-are-also-close-minded.html
Bloomberg.com
Sunstein on Close-mindedness

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2009/03/the-internet-foe-democracy " target="_blank"> <img src="https://harvardmagazine.com/sites/default/files/HM_forWebRedesign_final.png" alt="View related Harvard Magazine article" title="View related Harvard Magazine article">Read more on this topic in <span style="font-style:italic; font-weight:600;">Harvard Magazine</span></a></p>