Mariah Carey has news! Her dog, Jack, is “a person” and her fans sent her an awesome cookbook. Oh, and she hopes to have the follow-up to blockbuster The Emancipation of Mimi in stores by the end of ‘07. She chose to bury that last tidbit in one of her patented extremely detailed voicemail messages to her lambs. In the latest audio letters, she muses on her short jaunt to Capri (”which was a stone groove”), her personal trainer (”it’s bleak because I can’t eat anything good and she makes me work out after I’ve been in the studio for like 80 trillion hours, but whatever”) and life in general (”everything is “flantastic!”). She just finished the tenth “nice” song for her upcoming album and is headed to Atlanta to work with JD — Jermaine Dupri, we presume — for a “stone groove/smash-hit wonder or at least a stone groove, hopefully.” Now back to her “vocal rest” …