" That is, if there were an equality of opportunity, there should be the same number of doctors, lawyers, scientists per capita in the African-American community as in the population at large. Or the median income in African-American households would be the same as in the population at large. But this is not the case. Given the assumption of the same range of abilities, this indicates that there must not be real equality of opportunity. The “same range of abilities” frame is commonplace among liberals. It has a crucial use in classic liberal arguments. First, it defines the boundaries of racism: To deny it, to say some races have a greater range of abilities than others, is de facto taken as racist. Second, given this frame, it follows that different outcomes are de facto evidence of the effects of racism, past or present or both. The outcomes are documented in statistics—the rational presentation of a laundry list of statistical facts regarding infant mortality rates, income disparities, unemployment rates, and so on. To "
― George Lakoff , Thinking Points: Communicating Our American Values and Vision