Is Daylight Savings Shift Really Worth It?

Krishna Dagli writes: Two Ph.D. students at the University of California at Berkeley says that Daylight Savings Shift will not do any good or energy saving. We are already spending money for software upgrades in the name of saving energy and after reading following article I wonder has congress really studied the impact of DST shift?

http://abcnews.go.com/Technology/print?id=2938715