The End Of Aviation As the age of cheap oil comes to a close, it's springtime for gloomy futurists. Visions of a brutish world marked by violent squabbles over dwindling reserves, of junkyards littered with abandoned cars, of suburban slums overrun by weeds, of the collapse of industrial agriculture--none of this sounds as outlandish as it once did. Still, most of these horror stories are likely overstated: Energy experts tend to agree that, with a little ingenuity and a generous helping of political will, we could transition away from fossil fuels without being forced to give up our modern lifestyles. But there's one big exception--an area where a post-carbon world really could mean a radical shift in the way we live. That's the world of commercial flight. Early signs of an aviation apocalypse are already upon us. As oil prices flirt with $130 per barrel and the dollar struggles, airlines are paying nearly 80 percent more for fuel than they did a year ago. Twenty-five airlines have gone belly-up this year--three to four times the usual yearly rate. Major carriers like American, Northwest, and United, still reeling from the industry downturn after September 11, go barely a month without announcing layoffs and capacity cuts....