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 Council and assigned him to work with state governors to bring down crime. It became clear that Agnew would not be in the inner circle of advisors. The new president preferred to deal directly with only a trusted handful, and was annoyed when Agnew tried to call him about matters Nixon deemed trivial. After Agnew shared his opinions on a foreign policy matter in a cabinet meeting, an angry Nixon sent Bob Haldeman to warn Agnew to keep his opinions to himself. Nixon complained that Agnew had no idea how the vice presidency worked, but did not meet with Agnew