Barbara Walters' 12 most influential TV interviews

Contributing sentiments towards policy:

52% : (Uncredited / Associated Press) Walters' interviews with political leaders the world over -- including the Shah of Iran, Boris Yeltsin, Margaret Thatcher, Václav Havel, Moammar Kadafi, Hugo Chávez and countless others -- were among her hallmarks, but none made quite the splash as her confab with Cuba's Fidel Castro, who she finally persuaded to sit for ABC's cameras after a two-year campaign of letters and phone calls to the Cuban mission to the United Nations.

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