"SeniorUnited States Senator" . . "Patrick Leahy"@en . . . . "Leahy, Patrick Joseph"@en . "1940-03-31Z"^^ . "Pat Leahy Signature.svg" . . . "President pro tempore emeritus of the United States Senate" . "Chairman of theSenate Agriculture Committee" . . . . . . . . "Patrick Joseph Leahy (/\u02C8le\u026Ahi\u02D0/; born March 31, 1940) is the senior United States Senator from Vermont, in office since 1975. A member of the Democratic Party, Leahy served as the President pro tempore of the United States Senate from December 17, 2012 to January 6, 2015; as President pro tempore, he was third in the presidential line of succession. He is the most senior senator and took office at a younger age than any other current senator."@en . . . . "Chairman of theSenate Judiciary Committee" . "1940Z"^^ . "President pro tempore of the United States Senate" . . . . . . . . . . . .