Details remain vague, but The Juice has just learned that authorities believe they have found the body of Natalee Holloway, the 18-year-old from Clinton, Miss., who vanished in the Caribbean island in May 2005. A Miami-based flight attendant for American Airlines tells The Juice that a cadaver dog was aboard a Miami-to-Aruba flight. The officer with the dog was going to search for the remains of Holloway. "They think they've found where Natalee Holloway's remains are, and they're taking the dog down to confirm that," said the flight attendant, who lives in Fort Lauderdale. "They're not telling anybody because Aruba...