Keon Hardemon, a broad-shouldered 27-year-old, rings the doorbell outside Geraldine Chiverton's three-bedroom house near the border of Allapattah and Liberty City. He wears a crisp white shirt, a bold purple tie, plaid slacks, and polished brown wingtips. When Chiverton opens the wrought-iron gate, the 54-year-old... More >>>