Who is the longest serving senator?
Robert C. Byrd
Patrick Leahy
Patrick Leahy
Henry Clay
Patrick Leahy
Henry Clay
Patrick Leahy
Henry Clay
Henry Clay
Patrick Leahy
Daniel Inouye
Henry Clay
Patrick Leahy
Daniel Inouye
Henry Clay
Hubert Humphrey
Patrick Leahy
Henry Clay
Robert Byrd
Orrin Hatch
Daniel Inouye
Hubert Humphrey
Patrick Leahy
Henry Clay
Robert Byrd
Orrin Hatch
Daniel Inouye
Strom Thurmond
Henry Clay
Hubert Humphrey
Patrick Leahy
Robert Byrd
Strom Thurmond
Orrin Hatch
Daniel Inouye
Henry Clay
Edward M. Kennedy
Edmund Muskie
Patrick Leahy
Hubert Humphrey
Robert Byrd
William Jennings Bryan
Strom Thurmond
Orrin Hatch
Daniel Inouye
Henry Clay
Henry Clay (Senate)
J. William Fulbright
Edward M. Kennedy
Patrick Leahy
Hubert Humphrey
Robert Byrd
Strom Thurmond
George H. W. Bush
Jesse Helms
Henry Cabot Lodge Jr.
Henry Clay
Joseph McCarthy
Daniel Inouye
William Jennings Bryan
Patrick Leahy Jr.
Henry Clay (Senate)
Thomas Hart Benton
J. William Fulbright
Patrick Leahy
Strom Thurmond
Henry Clay
Robert Byrd
Patrick Henry
Joseph McCarthy
Robert Byrd Jr.
Jacob K. Javits
Daniel Inouye
William Jennings Bryan
Jesse Helms
Edward M. Kennedy
Thomas Hart Benton
Patrick Leahy.
Henry Clay (Senate)
Patrick Leahy of Wisconsin
Patrick Leahy Jr.
Henry Clay
Patrick Henry
George H. W. Bush
Joseph McCarthy
Strom Thurmond
J. William Fulbright
Patrick Leahy
Robert Byrd
John McCain
Robert Byrd.
Daniel Inouye
Henry Cabot Lodge
Henry Clay, Jr.
Henry Cabot Lodge, Jr.
Robert Byrd Jr.
Thomas Hart Benton
Jesse Helms
Henry Clay
Patrick Henry
Joseph McCarthy
Henry Clay (Senate)
William Jennings Bryan
Strom Thurmond
Patrick Leahy of Wisconsin
Patrick Leahy of Vermont
Robert Byrd
Patrick Leahy
John McCain
Patrick Leahy.
William Fulbright
Daniel Inouye
Henry Clay
Patrick Henry
Joseph McCarthy
Thomas Hart Benton
Joe Biden
George H. W. Wickard
Robert Byrd.
Strom Thurmond
Patrick Leahy Jr.
Henry Clay (Senate)
Jesse Helms
Henry Clay, Jr.
John McCain
Robert Byrd Jr.
George H. W. Wicker
Patrick Leahy of Wisconsin
Robert Byrd
Patrick Leahy
Edward M. Kennedy
Patrick Leahy of Vermont
John F. Kennedy
Henry Clay (Senate
Henry Clay
Patrick Henry
J. P. Morgan
Joseph McCarthy
Daniel Inouye
Patrick Leahy.
Joe Lieberman
Joe Biden
Henry Clay.
John McCain
Strom Thurmond
Orrin Hatch.
Patrick Leahy, Senator
Patrick Leahy Jr.
Henry Clay (Senate)
Strom Thurmond.
Robert Byrd
Henry Clay (Sen.
Patrick Leahy of Wisconsin
Patrick Leahy
Henry Clay
Patrick Henry
Robert Byrd Jr.
Joseph McCarthy
Robert Byrd.
Henry Clay (Senate
Henry Clay, Jr.
Daniel Inouye
Joe Biden
John McCain
Ted Kennedy
Strom Thurmond
Patrick Leahy.
Joe Lieberman
Robert Byrd Sr.
Strom Thurmond.
Henry Clay.
Henry Clay
Robert Byrd
Patrick Leahy, Senator
Patrick Henry
Edward M. Kennedy
Orrin Hatch.
Joseph McCarthy
Patrick Leahy of Vermont
Patrick Leahy
George H. W. Bush
Patrick Leahy of Wisconsin
Henry Clay (Constitution)
J.C. Watts
Orrin Hatch Jr.
John McCain
Henry Clay (Senate
Ted Kennedy
Robert Byrd Jr.
J. P. Morgan
Joe Biden
Henry Clay (Sen.
Strom Thurmond
Daniel Inouye
Henry Clay
Patrick Henry
Joseph McCarthy
Robert Byrd.
Strom Thurmond.
Henry Clay, Jr.
Robert Byrd