The era of the 100 watt incandescent light bulb came to an end in America on January 1st. Lower wattages will soon join them in a phaseout over time. As I noted previously, this will mean factory shutdowns in the United States and the migration of the light bulb manufacturing industry to China. The most common replacement type bulbs, compact fluorescents, are not “instant on,” generally fail to provide a proper light spectrum, contain poisonous mercury, and burn out sooner than advertised. CFL boosters claim none of these are real problems and that CFLs are a slam dunk for benefit/cost reasons, but the cold reality is that despite significant promotion, they never received widespread consumer adoption voluntarily. Given how eagerly consumers slurp...