From the April 13 broadcast of Westwood One's The Radio Factor with Bill O'Reilly:

"So this is just the beginning, ladies and gentlemen, of this crazy gay marriage insanity -- is gonna lead to all kinds of things like this. Courts are gonna be clogged. Every nut in the world is gonna -- somebody's gonna come in and say, "I wanna marry the goat.." You'll see it; I guarantee you'll see it."

Source: Media Matters for America