Think about some of the most divisive issues in our country, and what's at the heart of them.
Abortion? Procreation caused by sex. Gay rights? All about who you have sex with.
You get the picture: sex and attitudes towards it figure prominently in our national debates.
R. Marie Griffith tracks the debates back a century in Moral Combat: How Sex Divided American Christians and Fractured American Politics.
She gives us the look at a potent brew of religion and politics.