Extensive discussion from 3 days ago: http://news.ycombinator.com/item?id=2019665 http://news.ycombinator.com/item?id=2019665 More extensive discussion from a

Extensive discussion from 3 days ago: http://news.ycombinator.com/item?id=2019665 http://news.ycombinator.com/item?id=2019665 More extensive discussion from an alternative point-of-view submission: http://news.ycombinator.com/item?id=2020128 http://news.ycombinator.com/item?id=2020128 Yet more discussion from an article/submission about what it's really like to do a Ph.D.: http://news.ycombinator.com/item?id=1588727 http://news.ycombinator.com/item?id=1588727