Speaker of the United States House of Representatives by the President "pro tempore" of the Senate and by the heads of federal executive departments. To date, the implementation of the Presidential Succession Act has never been necessary and no Speaker has ever acted as President. Implementation of the law almost became necessary in 1973 after the resignation of Vice President Spiro Agnew. At the time, many believed that President Richard Nixon would resign because of the Watergate scandal, allowing Speaker Carl Albert to succeed to the Presidency. However, before he resigned, Nixon appointed Gerald Ford as Vice President in accordance with the Twenty-fifth Amendment. Nevertheless, the United States
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