WASHINGTON -- "I'm not spreading propaganda," George Stephanopoulos' orthodox-nun sister vows, but Israeli soldiers last week "defecated" on the floors of a West Bank medical clinic they raided. They're also looting Palestinians' homes there, claims Sister Maria Stephanopoulos, a nun at the Convent of St. Mary Magdalene in Jerusalem. A Russian Orthodox Christian (she converted from Greek Orthodox), Stephanopoulos runs a school for Palestinian girls there, and is pleading with priests here, via e-mail, to "get on the phone and ask your congressman and senators why the United States government is backing this invasion of Israeli forces into sovereign (Palestinian)...