LOS ANGELES (Reuters) - Music producer Clive Davis's pre-Grammy party is typically one of the most fun-filled highlights of the week leading to the music industry's top awards, but this year's event quickly turned into a tribute for Whitney Houston, who died earlier in the day. On the red carpet outside Saturday night's event, the recording industry's biggest stars were stunned by news that Houston, among the biggest female recording stars of all time, died that afternoon in the same hotel, the Beverly Hilton. ...