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Southwest Airlines reported second-quarter earnings of 15 cents per diluted share, up from 12 cents per diluted share in the second quarter of 2009.

This summer has seen record ridership on public transportation: up 5.2% over the same period last year, as sky-high fuel prices force commuters to ditch their cars in favor of the bus or the train. And yet, it's not enough to drive profits to our public transit systems. According to the American...