By Patricia Reaney NEW YORK (Reuters) – After two years as a runner-up, Oprah Winfrey was named the most powerful celebrity on Wednesday by Forbes, heading the six women and four men who make up the top 10. It was the fifth time the former talk show host who runs her own TV network has headed the annual ranking of 100 celebrities. Singer Lady Gaga came in second, followed by director/producer Steven Spielberg and singers Beyonce and Madonna. "There is nobody else with that kind of consistency and power," said Dorothy Pomerantz of Forbes.com. …
