The article fails to address the field in which the degree is issued -- some PhD degrees do much better than others. Here's an article that lists the ten best, and ten worst, degrees to acquire in terms of career success and income:<p><a href="http://content.time.com/time/specials/packages/completelist/0,29569,2073703,00.html" rel="nofollow">http://content.time.com/time/specials/packages/completelist/...</a><p>The top of the best degree list? "Mining and Mineral Engineering"<p>The bottom of the worst degree list? "Counseling and Psychology"