When Mary Louise Salerno saw Jesus Christ in a bucket of pizza sauce, her instinct was not to alert the media or even to tell many friends. She did not want people descending on her family's West Scranton pizzeria, and she did not want to invite critics or doubters of what she felt was a clear sign. "To us, it was something special," Ms. Salerno, 65, of Old Forge said. "God smiled on us that day." The image of Jesus has a history of unexpected appearances, from rocks and windows to medical X-rays and a tortilla. Add to that a...