Sen. Patrick Leahy [D-VT]
Senior Senator for Vermont, 1975-2022
Sen. Charles “Chuck” Grassley [R-IA]
Senior Senator for Iowa, 1981-2022
Sen. Mitch McConnell [R-KY]
Senior Senator for Kentucky, 1985-2020
Sen. Richard Shelby [R-AL]
Senior Senator for Alabama, 1987-2022
Sen. Dianne Feinstein [D-CA]
Senior Senator for California, 1992-2024
Sen. Patty Murray [D-WA]
Senior Senator for Washington, 1993-2022
Sen. James “Jim” Inhofe [R-OK]
Senior Senator for Oklahoma, 1994-2020
Sen. Ron Wyden [D-OR]
Senior Senator for Oregon, 1996-2022
Sen. Susan Collins [R-ME]
Senior Senator for Maine, 1997-2020
Sen. Richard Durbin [D-IL]
Senior Senator for Illinois, 1997-2020
Sen. Michael Enzi [R-WY]
Senior Senator for Wyoming, 1997-2020
Sen. John “Jack” Reed [D-RI]
Senior Senator for Rhode Island, 1997-2020
Sen. Pat Roberts [R-KS]
Senior Senator for Kansas, 1997-2020
Sen. Michael Crapo [R-ID]
Senior Senator for Idaho, 1999-2022
Sen. Charles “Chuck” Schumer [D-NY]
Senior Senator for New York, 1999-2022
Sen. Maria Cantwell [D-WA]
Junior Senator for Washington, 2001-2024
Sen. Thomas Carper [D-DE]
Senior Senator for Delaware, 2001-2024
Sen. Debbie Stabenow [D-MI]
Senior Senator for Michigan, 2001-2024
Sen. John Cornyn [R-TX]
Senior Senator for Texas, 2002-2020
Sen. Lamar Alexander [R-TN]
Senior Senator for Tennessee, 2003-2020
Sen. Lindsey Graham [R-SC]
Senior Senator for South Carolina, 2003-2020
Sen. Lisa Murkowski [R-AK]
Senior Senator for Alaska, 2003-2022
Sen. Richard Burr [R-NC]
Senior Senator for North Carolina, 2005-2022
Sen. John “Johnny” Isakson [R-GA]
Senior Senator for Georgia, 2005-2022
Sen. John Thune [R-SD]
Senior Senator for South Dakota, 2005-2022
Sen. Robert “Bob” Menendez [D-NJ]
Senior Senator for New Jersey, 2006-2024
Sen. Sherrod Brown [D-OH]
Senior Senator for Ohio, 2007-2024
Sen. Benjamin Cardin [D-MD]
Senior Senator for Maryland, 2007-2024
Sen. Bernard “Bernie” Sanders [I-VT]
Junior Senator for Vermont, 2007-2024
Sen. Amy Klobuchar [D-MN]
Senior Senator for Minnesota, 2007-2024
Sen. Jon Tester [D-MT]
Senior Senator for Montana, 2007-2024
Sen. Robert “Bob” Casey [D-PA]
Senior Senator for Pennsylvania, 2007-2024
Sen. Sheldon Whitehouse [D-RI]
Junior Senator for Rhode Island, 2007-2024
Sen. John Barrasso [R-WY]
Junior Senator for Wyoming, 2007-2024
Sen. Roger Wicker [R-MS]
Senior Senator for Mississippi, 2007-2024
Sen. Tom Udall [D-NM]
Senior Senator for New Mexico, 2009-2020
Sen. Mark Warner [D-VA]
Senior Senator for Virginia, 2009-2020
Sen. James Risch [R-ID]
Junior Senator for Idaho, 2009-2020
Sen. Jeanne Shaheen [D-NH]
Senior Senator for New Hampshire, 2009-2020
Sen. Jeff Merkley [D-OR]
Junior Senator for Oregon, 2009-2020
Sen. Michael Bennet [D-CO]
Senior Senator for Colorado, 2009-2022
Sen. Kirsten Gillibrand [D-NY]
Junior Senator for New York, 2009-2024
Sen. Chris Coons [D-DE]
Junior Senator for Delaware, 2010-2020
Sen. Joe Manchin [D-WV]
Senior Senator for West Virginia, 2010-2024
Sen. Roy Blunt [R-MO]
Senior Senator for Missouri, 2011-2022
Sen. John Boozman [R-AR]
Senior Senator for Arkansas, 2011-2022
Sen. Jerry Moran [R-KS]
Junior Senator for Kansas, 2011-2022
Sen. Robert “Rob” Portman [R-OH]
Junior Senator for Ohio, 2011-2022
Sen. Patrick “Pat” Toomey [R-PA]
Junior Senator for Pennsylvania, 2011-2022
Sen. Richard Blumenthal [D-CT]
Senior Senator for Connecticut, 2011-2022
Sen. Marco Rubio [R-FL]
Senior Senator for Florida, 2011-2022
Sen. Rand Paul [R-KY]
Junior Senator for Kentucky, 2011-2022
Sen. John Hoeven [R-ND]
Senior Senator for North Dakota, 2011-2022
Sen. Mike Lee [R-UT]
Senior Senator for Utah, 2011-2022
Sen. Ron Johnson [R-WI]
Senior Senator for Wisconsin, 2011-2022
Sen. Brian Schatz [D-HI]
Senior Senator for Hawaii, 2012-2022
Sen. Tammy Baldwin [D-WI]
Junior Senator for Wisconsin, 2013-2024
Sen. Christopher Murphy [D-CT]
Junior Senator for Connecticut, 2013-2024
Sen. Mazie Hirono [D-HI]
Junior Senator for Hawaii, 2013-2024
Sen. Martin Heinrich [D-NM]
Junior Senator for New Mexico, 2013-2024
Sen. Tim Scott [R-SC]
Junior Senator for South Carolina, 2013-2022
Sen. Elizabeth Warren [D-MA]
Senior Senator for Massachusetts, 2013-2024
Sen. Angus King [I-ME]
Junior Senator for Maine, 2013-2024
Sen. Deb Fischer [R-NE]
Senior Senator for Nebraska, 2013-2024
Sen. Ted Cruz [R-TX]
Junior Senator for Texas, 2013-2024
Sen. Timothy “Tim” Kaine [D-VA]
Junior Senator for Virginia, 2013-2024
Sen. Edward “Ed” Markey [D-MA]
Junior Senator for Massachusetts, 2013-2020
Sen. Cory Booker [D-NJ]
Junior Senator for New Jersey, 2013-2020
Sen. Shelley Capito [R-WV]
Junior Senator for West Virginia, 2015-2020
Sen. Bill Cassidy [R-LA]
Senior Senator for Louisiana, 2015-2020
Sen. Gary Peters [D-MI]
Junior Senator for Michigan, 2015-2020
Sen. Cory Gardner [R-CO]
Junior Senator for Colorado, 2015-2020
Sen. James Lankford [R-OK]
Junior Senator for Oklahoma, 2015-2022
Sen. Tom Cotton [R-AR]
Junior Senator for Arkansas, 2015-2020
Sen. Steve Daines [R-MT]
Junior Senator for Montana, 2015-2020
Sen. Dan Sullivan [R-AK]
Junior Senator for Alaska, 2015-2020
Sen. David Perdue [R-GA]
Junior Senator for Georgia, 2015-2020
Sen. Joni Ernst [R-IA]
Junior Senator for Iowa, 2015-2020
Sen. Thom Tillis [R-NC]
Junior Senator for North Carolina, 2015-2020
Sen. Mike Rounds [R-SD]
Junior Senator for South Dakota, 2015-2020
Sen. Benjamin Sasse [R-NE]
Junior Senator for Nebraska, 2015-2020
Sen. Chris Van Hollen [D-MD]
Junior Senator for Maryland, 2017-2022
Sen. Todd Young [R-IN]
Senior Senator for Indiana, 2017-2022
Sen. Tammy Duckworth [D-IL]
Junior Senator for Illinois, 2017-2022
Sen. Kamala Harris [D-CA]
Junior Senator for California, 2017-2022
Sen. John Kennedy [R-LA]
Junior Senator for Louisiana, 2017-2022
Sen. Margaret “Maggie” Hassan [D-NH]
Junior Senator for New Hampshire, 2017-2022
Sen. Catherine Cortez Masto [D-NV]
Senior Senator for Nevada, 2017-2022
Sen. Doug Jones [D-AL]
Junior Senator for Alabama, 2018-2020
Sen. Tina Smith [D-MN]
Junior Senator for Minnesota, 2018-2020
Sen. Cindy Hyde-Smith [R-MS]
Junior Senator for Mississippi, 2018-2020
Sen. Marsha Blackburn [R-TN]
Junior Senator for Tennessee, 2019-2024
Sen. Kyrsten Sinema [D-AZ]
Senior Senator for Arizona, 2019-2024
Sen. Kevin Cramer [R-ND]
Junior Senator for North Dakota, 2019-2024
Sen. Martha McSally [R-AZ]
Junior Senator for Arizona, 2019-2020
Sen. Jacky Rosen [D-NV]
Junior Senator for Nevada, 2019-2024
Sen. Mike Braun [R-IN]
Junior Senator for Indiana, 2019-2024
Sen. Joshua Hawley [R-MO]
Junior Senator for Missouri, 2019-2024
Sen. Mitt Romney [R-UT]
Junior Senator for Utah, 2019-2024
Sen. Rick Scott [R-FL]
Junior Senator for Florida, 2019-2024
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