How much would you pay? Sunday, Earth Day ~ Philips' $60 LED light bulb goes on sale at Home Depot and other outlets. The bulb, lasts 20 years, won a $10 million DOE contest. http://phys.org/news/2012-04-rebates-bulb.html http://www.lightingprize.org/ How many people does it take to change it? One person to change the bulb Twenty taxpayers to subsidize him.