Vice President of the United States the Twenty-fifth Amendment established a procedure for filling such a vacancy: This procedure has been implemented twice since the amendment came into force. The first instance occurred in 1973 following the October 10 resignation of Spiro Agnew, when Gerald Ford was nominated by President Richard Nixon and confirmed by Congress. The second occurred 10 months later following Ford's August 9, 1974 accession to the presidency upon Nixon's resignation, when Nelson Rockefeller was nominated by President Ford and confirmed by Congress. Had it not been for this new constitutional mechanism, the vice presidency would have remained vacant after Agnew's resignation and
Spiro Agnew to share his own experience of the office. Herb Klein, director of communications in the Nixon White House, later wrote that Agnew had allowed himself to be pushed around by senior aides such as Haldeman and John Mitchell, and that Nixon's "inconsistent" treatment of Agnew had left the vice president exposed. Agnew's pride had been stung by the negative news coverage of him during the campaign, and he sought to bolster his reputation by assiduous performance of his duties. It had become usual for the vice president to preside over the Senate only if he might be needed to break