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The Science Behind 'Sex, Power, and Partisanship'


What are the evolutionary roots of today's partisan landscape? San Antonio-based clinical psychologist and author Hector Garcia's new book delves into factors contributing to sociopolitical divides and ideologies around the world. 

How do ancestral behaviors and traits like competition and tribalism influence modern attitudes? 

What do identifiers and ideas like gender norms, political orientations or religious beliefs mean for the future of functioning societies?  

Garcia's book will be featured at the San Antonio Book Festival on April 6, 2019.


"The Source" is a live call-in program airing Mondays through Thursdays from 12-1 p.m. Leave a message before the program at (210) 615-8982. During the live show, call 210-614-8980, email thesource@tpr.org or tweet at @TPRSource. 

This interview aired on Monday, March 4, 2019.

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Jan Ross Piedad Sakian is TPR’s News Operations Producer. In this role, she develops strategy on collaborative and digital initiatives for the station. Since 2016, Jan Ross has served in a coordinating capacity for TPR’s state and national partners, including The Texas Newsroom.