UNITED NATIONS - Jeers and catcalls greeted the top U.S. delegate to a global women's conference on Friday as she stressed Washington's opposition to abortion and support for sexual abstinence and fidelity. After withdrawing an unpopular anti-abortion amendment from a key U.N. document, the United States joined in approving the declaration that reaffirmed a 150-page platform agreed 10 years ago at a landmark U.N. women's conference in Beijing. However, top U.S. delegate Ellen Sauerbrey drew boos from the audience, which included some of the 6,000 activists who came from around the world, when she commented on Washington's interpretation of the...