Ms. Longshot

THE IT GIRLS They’re rich, fabulous… and dangerously underestimated. IT GIRL: Alexa CheltinghamMISSION: Pose as a grubby groom to stop a high-stakes horse killer and protect the Mayor of New York’s show-jumping daughter.A Cheltingham shoveling horse manure — what would Mother think? That was my first reaction when the Gotham Rose spy ring handed me this riches-to-rags assignment. But the country’s...