Features three original dances choreographed by and starring Martha Graham:      Cortege of Eagles (1965), Seraphic Dialogue (1965) and Acrobat  s of God (1969). One of the giants of American dance, Graham is the subject     of a new biography and the inspiration to her company's triumphant return to   Broadway. Originally aired on television, this program has been remastered for home video. "Extraordinary" (New York Times). USA, 87 mins.