Sarah Palin's unwed mother-daughter Bristol Palin guaranteed InTouch magazine that she would never have sex again before marriage.
But Oprah Winfrey wonders if such a vow is realistic for a young girl.
"It may be 10 years before you get married. Why set yourself up so that everybody you go out with, you date -- the media is going to be looking at that person, trying to get that person to sell you out, to say, 'Did you have sex or not,'" asked Winfrey.
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