It isn’t every day that one man seduces an entire nation. With his sensuous lips, bedroom eyes and swiveling hips, that’s exactly what a 21-year-old Elvis Presley did during his first appearance on The Ed Sullivan Show in 1956. As he joyfully danced like a man possessed by the music, the teenage girls in the audience shrieked with desire. “You were drawn to him,” admits his ex-wife, Priscilla Presley. “He was very sexual without trying to be.” Elvis’ bad-boy image continues to attract millions of admirers today, as the feverish anticipation of Baz Luhrmann’s new movie about the King shows. But…