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Richard Helms, U.S. Ambassador to Iran, left, speaks with President Nixon, right, in 1973 at the White House in Washington. Helms, the spymaster who led the CIA through some of its most difficult years and was later fired by President Nixon when he refused to block an FBI probe into the Watergate scandal, died Tuesday night, Oct. 22, 2002. He was 89. (KEYSTONE/AP Photo/Str)