WASHINGTON — Fifty years after the birth control pill went on the US market, millions of women around the world are still under orders from the Roman Catholic hierarchy to eschew its use. But all indications are that women stopped listening long ago. "Catholics use the pill the same way everyone else does... Priests don't even preach against it any more," said Jon O'Brien, president of Catholics for Choice. "There is no evidence that the teachings of the church influence Catholics in their decisions about the kind of contraception they actually use," said Frances Kissling. The lead author of a...