In a few weeks the US Congress is likely to vote to phase out the standard incandescent lightbulb within a decade. The frantic race to see who can best appease the global warming alarmists will claim another victim, the friendly glow of the direct descendant of Thomas Edison's filament-based light bulb. Why would the humble lightbulb, a staple commodity that has raised the standard of living throughout the world, be in the bullseye? It was the incandescent electric light bulb that abolished the tyranny of the night. Our 19th and 20th century ancestors believed it one of the greatest...