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 a tie, but Agnew opened every session for the first two months of his term, and spent more time presiding, in his first year, than any vice president since Alben Barkley, who held that role under Harry S. Truman. The first postwar vice president not to have previously been a senator, he took lessons in Senate procedures from the parliamentarian and from a Republican committee staffer. He lunched with small groups of senators, and was initially successful in building good relations. Although silenced on foreign policy matters, he attended White House staff meetings and spoke on urban affairs; when Nixon