BEIJING -- Just when it seemed that nothing good could pierce the gloomy, gray haze that stifles this city, just when the U.S. Olympic Committee set the bar of foolishness and political expediency higher than any gold medalist will ever jump, a story comes along to remind the world that the Olympics, though appallingly commercialized, still have great redemptive power. The captains of the U.S. teams participating in the Beijing Games soared above the pettiness of their elders Wednesday when they chose 1,500-meter runner Lopez Lomong, a Sudanese refugee who was abducted from his church at age 6 and targeted...