Who is the longest-serving senator?
Robert Byrd
Henry Clay
Henry Clay
Henry Clay
Patrick Leahy
Henry Clay
Henry Clay
Patrick Leahy
Henry Clay
Patrick Leahy
Henry Clay
Hubert Humphrey
Daniel Inouye
Patrick Leahy
Hiram Rhodes Revels
Henry Clay
Robert Byrd
Hubert Humphrey
Daniel Inouye
Patrick Leahy
Henry Clay
Lyndon B. Johnson
Robert Byrd
Hiram Rhodes Revels
Hubert Humphrey
Daniel Inouye
Henry Clay
Patrick Leahy
Robert Byrd
John F. Kennedy
Lyndon B. Johnson
Hubert Humphrey
Henry Clay
J. William Fulbright
Henry Cabot Lodge Jr.
Edmund Muskie
Strom Thurmond
Daniel Inouye
Patrick Leahy
Hiram Rhodes Revels
Robert Byrd
John F. Kennedy
Henry Clay
Hubert Humphrey
Strom Thurmond
Edmund Muskie
J. William Fulbright
Daniel Inouye
Patrick Leahy
Lyndon B. Johnson
William Jennings Bryan
Robert Byrd
Patrick Henry
Henry Clay
Hiram Rhodes Revels
Jacob K. Javits
Joseph McCarthy
Strom Thurmond
John F. Kennedy
Edmund Muskie
Hubert Humphrey
J. William Fulbright
Daniel Inouye
Patrick Leahy
Patrick Henry
Henry Clay
Robert Byrd
Thomas Hart Benton
Henry Cabot Lodge Jr.
Henry Cabot Lodge
Joseph McCarthy
Jesse Helms
Robert Byrd Jr.
Lyndon B. Johnson
Strom Thurmond
William Jennings Bryan
J. P. Morgan
Edmund Muskie
Hubert Humphrey
Henry Cabot Lodge, Jr.
J. William Fulbright
Patrick Henry
Daniel Inouye
Henry Clay
Patrick Leahy
Robert Byrd
Thomas Hart Benton
Edward M. Kennedy
Joseph McCarthy
John F. Kennedy
Henry Cabot Lodge
Strom Thurmond
Jesse Helms
Henry Cabot Lodge Jr.
J. P. Morgan
Patrick Henry
Robert Byrd Jr.
Henry Clay
Hubert Humphrey
J. William Fulbright
Patrick Leahy
William Jennings Bryan
Joseph McCarthy
Robert Byrd
Lyndon B. Johnson
Thomas Hart Benton
Henry Clay, Jr.
Daniel Inouye
Strom Thurmond
Henry Cabot Lodge
Robert Byrd.
Patrick Henry
Henry Cabot Lodge, Jr.
Henry Clay
Joseph McCarthy
Hubert Humphrey
Jesse Helms
Robert Byrd Jr.
Patrick Leahy
J. P. Morgan
Robert Byrd
John F. Kennedy
Daniel Inouye
Strom Thurmond
Patrick Henry
Henry Clay
Joe Biden
Henry Clay, Jr.
John McCain
Joseph McCarthy
Henry Cabot Lodge Jr.
Robert Byrd Sr.
Edward M. Kennedy
Robert Byrd.
Patrick Leahy
Robert Byrd
Henry Cabot Lodge
Patrick Henry
Daniel Inouye
Robert Byrd Jr.
Henry Clay
Strom Thurmond
Lyndon B. Johnson,
Joe Biden
John McCain
Jesse Helms
Joseph McCarthy
Hiram Fong
J. P. Morgan
Henry Clay (Sen.
Henry Clay, John F. Kennedy
Robert Byrd Sr.
Henry Clay (Senate)
Henry Clay, Jr.
Patrick Henry
Henry Clay
Patrick Leahy
Robert Byrd
J. P. Gould
Strom Thurmond
John McCain
Joe Biden
Joseph McCarthy
Robert Byrd.
John F. Kennedy
Hiram Fong
Henry Cabot Lodge Jr.
Edward M. Kennedy
Lyndon B. Johnson.
Robert Byrd Jr.
Patrick Henry
Henry Cabot Lodge
Jesse Helms
Henry Clay (Congress)
Henry Clay (Constitution)
Henry Clay (Senate
Ted Kennedy
Henry Clay (Sen.
John McCain
Robert Byrd
Patrick Leahy
Strom Thurmond
J. P. Kennedy
Joseph McCarthy
Lyndon B. Johnson,
George H. W. Bush
Henry Clay, Jr.
Strom Thurmond.
J. P. King
Henry Clay (Senate)
Henry Clay.
J. P. Tunney
J. P. Morgan
Hiram Fong
Robert Byrd.
Patrick Henry
Ted Kennedy
John McCain
Hiram Rhodes Revels Jr
Joseph McCarthy
Lyndon Baines Johnson