There was an interesting discussion on this very subject 6 months ago: http://www.nytimes.com/2010/09/19/books/review/Collins-t.html http://www.nytimes.com/201

There was an interesting discussion on this very subject 6 months ago: http://www.nytimes.com/2010/09/19/books/review/Collins-t.html http://www.nytimes.com/2010/09/19/books/review/Collins-t.htm... http://news.ycombinator.com/item?id=1743513 http://news.ycombinator.com/item?id=1743513