Towleroad thinks the insane pledge Republican presidential candidates are being asked to sign is most controversial because it asserts homosexuality is a choice. I'm thinking the ban on all pornography might piss off more conservatives—they consume pornography in equal if not greater numbers.
So far, Bachmann has signed it (with support from her wife, no doubt)—but would Mitt Romney sign such a thing? He's the front-runner. We'll see.