DOCTORS in Mallow, Ireland, are puzzled by the birth of a green baby. But single mom Bridget O'Leary, 26, says there's a very simple explanation -- she claims she was raped by a leprechaun. "He had his way with me, he did," says the attractive barmaid. "He got me drunk and slipped me his little green shamrock." By all accounts O'Leary has a sterling reputation as a hardworking, upstanding individual. "Bridget is a fine lass, and no mistake," says Tom Shaughnessey, 44, the owner of the Brick and the Rose Pub where O'Leary works. "I've never known her to lie...