http://metricpioneer.wordpress.com/2013/05/05/american-freedom-from-monarchy-religion-slavery-and-american-civil-rights-voting-marriage-measurement/
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http://metricpioneer.wordpress.com/2013/05/05/american-freedom-from-monarchy-religion-slavery-and-american-civil-rights-voting-marriage-measurement/
David Pearl MetricPioneer.com 503-428-4917