How did Americans come to equate the broad concept of freedom with an almost religious belief in free market economics? Did the rejection of government oversight bring on the current banking meltdown, train derailment disasters, the wonky Texas grid, the housing crisis, global warming and the return of child labor? In ‘The Big Myth,’ Naomi Oreskes recounts the coordinated 20th-century effort to instill unquestioning faith in markets above all.