Rick Santorum sees sex in purely utilitarian terms.
If it's not done with fertilizing an egg in mind, dude's got no love for it. Any such act (or product, or film, or contraceptive) is JUST PLAIN WRONG, PEOPLE!!
The Republican presidential candidate and staunch social conservative wants to ban hard core adult films, calling them toxic to marriage and relationships.
The former Pennsylvania senator writes on his website:

"America is suffering from a pandemic of pornography. It contributes to misogyny and violence against women. It is a contributing factor to prostitution and sex trafficking."
He demands a crackdown on the distribution of Internet porn, in addition to material on cable/satellite TV, hotel/motel TV, retail shops and through the mail.
What qualifies as "hardcore" remains unclear.
Santorum says a "wealth of research" showing how pornography causes "profound brain changes in children and adults," and says President Obama doesn't do enough: