Who was the longest-serving senator?
Robert Byrd
Henry Clay
Henry Clay
Henry Clay
Henry Clay
Henry Clay
Patrick Leahy
Henry Clay
Lyndon B. Johnson
Patrick Leahy
Robert Byrd
Henry Clay
Hubert Humphrey
Daniel Inouye
Patrick Leahy
Henry Clay
Robert Byrd
Hubert Humphrey
Daniel Inouye
Patrick Leahy
Lyndon B. Johnson
Henry Clay
Robert Byrd
Hubert Humphrey
Henry Clay
Daniel Inouye
Patrick Leahy
Strom Thurmond
J. William Fulbright
Robert Byrd
John F. Kennedy
William Jennings Bryan
Hubert Humphrey
Henry Clay
Edmund Muskie
Lyndon B. Johnson
Joseph McCarthy
Daniel Inouye
Patrick Leahy
Strom Thurmond
Robert Byrd
J. William Fulbright
Thomas Hart Benton
Patrick Henry
Henry Clay
John F. Kennedy
Edmund Muskie
Joseph McCarthy
Robert Byrd Sr.
Hubert Humphrey
William Jennings Bryan
Daniel Inouye
Strom Thurmond
Patrick Leahy
Lyndon B. Johnson
Robert Byrd
J. William Fulbright
Patrick Henry
Henry Clay
Thomas Hart Benton
Joseph McCarthy
Robert Byrd Jr.
Edmund Muskie
Robert Byrd Sr.
Hubert Humphrey
John F. Kennedy
Edward M. Kennedy
Strom Thurmond
Daniel Inouye
Patrick Leahy
William Jennings Bryan
Patrick Henry
Henry Clay
Robert Byrd
Jesse Helms
Joseph McCarthy
J. William Fulbright
Thomas Hart Benton
Lyndon B. Johnson
Strom Thurmond
Hubert Humphrey
Patrick Henry
Henry Clay
Daniel Inouye
Robert Byrd Jr.
Robert Byrd Sr.
Patrick Leahy
Robert Byrd
Joseph McCarthy
William Jennings Bryan
Thomas Hart Benton
Jesse Helms
John F. Kennedy
Henry Clay, Jr.
Strom Thurmond
Patrick Henry
Henry Clay
Joseph McCarthy
Daniel Inouye
J. P. Morgan
Patrick Leahy
Robert Byrd
Joe Biden
Lyndon B. Johnson,
Robert Byrd Jr.
Thomas Hart Benton
Robert Byrd.
Henry Clay (Senate)
Lyndon B. Johnson
William Jennings Bryan
Patrick Henry
Henry Clay
John McCain
Strom Thurmond
Jesse Helms
John F. Kennedy
Joseph McCarthy
Henry Clay, Jr.
William Fulbright
Daniel Inouye
Edward M. Kennedy
Robert Byrd
Patrick Leahy
Robert Byrd Sr.
Joe Biden
Lyndon B. Johnson.
Thomas Hart Benton
Patrick Henry
Henry Clay
John McCain
Strom Thurmond
Joseph McCarthy
Robert Byrd.
Robert Byrd Jr.
J. P. Morgan
Lyndon B. Johnson
Jesse Helms
John F. Kennedy
Henry Clay (Senate)
Daniel Inouye
Joe Biden
Robert Byrd
Patrick Leahy
Patrick Henry
Henry Clay
John McCain
Henry Clay, Jr.
Robert Byrd Sr.
Joseph McCarthy
Lyndon B. Johnson,
Strom Thurmond
Edward M. Kennedy
Robert Byrd Jr.
Joe Biden
Patrick Henry
Henry Clay
John McCain
J. P. Morgan
Robert Byrd
Robert Byrd.
Patrick Leahy
Joseph McCarthy
Henry Clay (Sen.)
Strom Thurmond
Henry Clay, Jr.
Lyndon B. Johnson.
Patrick Henry
John McCain
Ted Kennedy
Robert Byrd Jr.
Edward M. Kennedy
Henry Clay (Senator)
Henry Clay (Senate
Robert Byrd
Joseph McCarthy
Strom Thurmond.
Patrick Leahy
Strom Thurmond
Robert Byrd.
George H. W. Bush
Robert Byrd, Henry Clay
J. P. Morgan
Henry Clay (Senate)
Patrick Henry
Robert Byrd Sr.
John McCain
Ted Kennedy
Henry Clay, Jr.
Thomas Hart Benton, Jr.
J.C. Watts
Joseph McCarthy
Robert Byrd
Strom Thurmond.
Henry Clay (Senate
Henry Clay (Sen.)
Edward M. Kennedy
Patrick Leahy
Strom Thurmond
William Jennings Bryan Jr.
Robert Byrd Jr.
Henry Clay Jr.