''Therefore a man leaves his father and mother and cleaves to his wife, and they shall become one flesh.''

While you were away over the summer, the Presbyterians (P.C.U.S.A ) discovered sex. They issued a big report on sex at their General Assembly, voted it down by a margin of 95 to 5, the report that is. But not before Presbyterians captured many headlines, so shocked was the media to see staid Presbyterians talking in public about a subject like sex.

The report advocated ''justice-love'' for Presbyterians who wondered what to think about sex. Justice-love. I couldn't figure out what they were talking about. Neither could their own church. A Duke student said it well: ''Justice-love, I gotta remember that. Next ti111e I'm in the back seat of a Chevrolet, I'll tell her, 'This is justice…