Washington -- Sen. Dianne Feinstein's office acknowledged today that a former staff member had removed references to the California Democrat's net worth on the Internet encyclopedia Wikipedia, as well as altered entries about her husband Richard Blum's Chinese investments in 1997. A former staff member "independently went on to Wikipedia to correct some material he felt was not appropriate," said Feinstein spokesman Howard Gantman. "The senator was not even aware of it." The changes to the biographies of members of Congress, allegedly by their staffs, have again raised questions about the credibility of the online encyclopedia that has become an...