THE PRESIDENT DOESN'T KNOW IF HOMOSEXUALITY IS A CHOICE OR NOT. NEITHER DOES SCIENCE.

Even presidents don't have an answer to questions about the origin of homosexuality.

And it's no wonder. Science doesn't have a clear answer either. During the third presidential debate, moderator and CBS News correspondent Bob Schieffer asked the candidates, "Do you believe homosexuality is a choice?"

"You know, Bob, I don't know. I just don't know," said President Bush, who then urged tolerance, respect and dignity for homosexuals. More...