From Mr. Sowell piece,
People today who complain about the automobile's pollution have no idea how much more pollution there was before the automobile came along. In New York City, for example, the 40,000 horses that were the backbone of the city's transportation, before the automobile, produced 400 tons of manure per working day, along with 20,000 gallons of urine.Problem is we don't have a clue how bad it use to be, nor how good it really is today. Are there any heroes today?
Thomas Sowell would be, if wasn't for all the complainers that try to drown him out. Yet again maybe he is...
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