Holy Shit They're People Too?

Debate Problem:

Without using religious/god references (because we're a "religiously free country") how is it possible to defend being opposed to gay marriage without admitting prejudice?

It's cool I'll wait.

Yet supposedly all Americans care about right now is getting jobs. “People that don’t focus on pocketbook issues are frittering away their 15 minutes of attention.” - Fred Sainz

Barack Obama speaking on gay marriage:

“I struggle with this. I have friends, I have people who work for me, who are in powerful, strong, long-lasting gay or lesbian unions. And they are extraordinary people, and this is something that means a lot to them and they care deeply about.”