http://www.nytimes.com/2008/12/16/opinion/16brooks.html?em=&adxnnl=1&adxnnlx=1229533215-sj/96WaaFNtvjk91gadrNA Industriousness and a positive outlook seem to be the key predictors of success. Brooks comments on Gladwell’s latest book.

http://blogs.hbr.org/cs/2012/03/what_to_do_when_you_dont_know.html