"Diane Ravitch, an education historian, now renounces many of the market-oriented policies she promoted as a former federal education official with close ties to Democrats and Republicans.
"In choosing his education agenda, President Obama sided with the economists and the corporate-style reformers," Ravitch writes in her book "The Death and Life of the Great American School System," circulating in advance of its general release Tuesday.
She stoutly defends teachers unions, questions the value of standardized test data and calls the president's affinity for independently operated charter schools 'puzzling.' "
READ MORE- story/2010/02/26/