Warren and Davis scooped up these valuable energy toll roads and linked the systems together.

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Davis and Warren decided to start all over again and formed Energy Transfer Partners.

FORBES: Meet The Texas Rangers's New Money Man

While Clooney had some star-studded donations to his campaign -- contributors included actress Catherine Zeta-Jones, actor Warren Beatty and singer Nancy Sinatra -- Davis had an early lead in fund-raising, according Federal Election Commission reports.

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Davis, 67, teamed with fellow Forbes 400 member, Kelcy Warren, to form the gas pipeline company Cornerstone in 1993.

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My interviews with people such as Warren Beatty, Shirley MacLaine, Jack Lemmon, Barbra Streisand, Mel Brooks, Jimmy Stewart, Bette Davis, James Caan, Robin Williams, Christian Slater, Lucille Ball, Meryl Streep, Sharon Stone, Julia Roberts, Sir Ian McKellen, Lynn Redgrave, Tom Cruise, Carrie Fisher, Whoopi Goldberg, Lauren Bacall, and Bruce Willis (just to name a few) have enlightened me about the art of acting and the history of Hollywood.

CNN: About movie reviewer Paul Clinton