Energy Savings: Europe's ban on the incandescent light bulb began phasing in this month, and the U.S. will soon follow. Is Thomas Edison to blame for global warming? And why are we exporting green jobs?When the warm-mongers assemble in Copenhagen this December to hammer out a successor to the failed Kyoto Protocol, no doubt their work to save the earth from the carbon dioxide that gives it life will take place under the eerie light thrown off by compact fluorescent light bulbs (CFLs) mandated by the European Union to fight climate change. The bulbs are more expensive, costing up to...