Heather Mac Donald: The persistent claims of gender bias are ideological, not empirical

Here are some charts that will cause the progressives to lose their minds. 

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The big question: are there biological / chromosomal reasons for the difference? 

That’s assuming you can even ask that question when progressives can’t tell the difference between XX and XY. 

Or is there a push in the government schools to ensure women hate math and never go into STEM fields, so they are incompetent at doing well on the math portion of the SAT? 

Right-Mind