Why extends (in Java) are Evil

http://www.javaworld.com/javaworld/jw-08-2003/jw-0801-toolbox.html

Great Wall Street China

http://www.economist.com/node/16541609

http://www.nytimes.com/2010/07/11/business/11rebound.html?_r=1&hp

http://www.nytimes.com/2010/07/11/business/11volcker.html?pagewanted=2&ref=business