Iraqi defense officials say fourteen civilians were killed and 30 others injured when two cruise missiles struck a residential area in Baghdad on Wednesday. It was the worst single reported instance of civilian casualties since the U.S. bombing campaign a week ago. The attack occurred around midday in the heavily populated northern Baghdad neighborhood of Al-Shaab, crowded with homes and about 30 shops. But the Central Command said there was no proof U.S. missiles were involved in the civilian deaths, although they DID acknowledge using