moving measures are of limited use. Network systems rise and fall with astonishing speed. Once-successful firms in technology, companies like Wang or Fairchild Semiconductor or MySpace, found themselves unseated in months, after years of growth. New firms can emerge as if from nowhere and erase once cherished

Marvin Davis, a real estate developer who owns Twentieth Century Fox, and Herb Seigel, a major media investor in the 1980s. Epstein is dating Morgan Fairchild, a television star in the 1980s rich-family soap operas, Dallas and Falcon Crest. Now begins the Concorde phase of his life—and the Concorde phase o