Are sex categories—male and female—real, immutable, and binary? Or are they “social constructs”? Colin Wright, Ph.D. in evolutionary biology and fellow at the Manhattan Institute, has the answer. This video was made possible by a generous donation from Joseph U. Oswald.<p> </p><p>Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a></p>

Andrew Johnson: The President Who Wasn’t Lincoln

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