Legislate.dev
BillsMembersVotesExecutive OrdersAnalytics
More
NominationsPresidential nominees, from referral to confirmationCongressesEach Congress since the 108th, by the numbersBlogExplainers and analysisAboutWho we are and where the data comes from

Congress

BillsMembersVotesCongresses

White House

Executive OrdersNominations

Insights

AnalyticsBlogAbout
← Back to S. 4

Co-Sponsors

S. 4 • 17 total co-sponsors

17

Total

16

Democrats

1

Republicans

0

House

17

Senate

Showing 17 of 17 co-sponsors for S. 4

Joseph I. Lieberman
JIL

Joseph I. Lieberman

CT • Senate

DEM
Susan M. Collins
SMC

Susan M. Collins

ME • Senate

GOP
Patrick J. Leahy
PJL

Patrick J. Leahy

VT • Senate

DEM
Charles E. Schumer
CES

Charles E. Schumer

NY • Senate

DEM
Maria Cantwell
MC

Maria Cantwell

WA • Senate

DEM
Frank R. Lautenberg
FRL

Frank R. Lautenberg

NJ • Senate

DEM
Debbie Stabenow
DS

Debbie Stabenow

MI • Senate

DEM
Jim Webb
JW

Jim Webb

VA • Senate

DEM
Robert Menendez
RM

Robert Menendez

NJ • Senate

DEM
Mary L. Landrieu
MLL

Mary L. Landrieu

LA • Senate

DEM
Barbara Boxer
BB

Barbara Boxer

CA • Senate

DEM
Byron L. Dorgan
BLD

Byron L. Dorgan

ND • Senate

DEM
Sherrod Brown
SB

Sherrod Brown

OH • Senate

DEM
Amy Klobuchar
AK

Amy Klobuchar

MN • Senate

DEM
Robert P. Casey Jr.
RPC

Robert P. Casey Jr.

PA • Senate

DEM
Hillary Rodham Clinton
HRC

Hillary Rodham Clinton

NY • Senate

DEM
Ken Salazar
KS

Ken Salazar

CO • Senate

DEM
Legislate.dev

AI summaries and real-time insights into what Congress is doing.

Explore

  • Bills
  • Members
  • Votes
  • Executive Orders
  • Nominations
  • Analytics

More

  • About
  • Blog

Legal

  • Privacy
  • Terms

Legislate.dev is independent and not affiliated with the U.S. government. Information here, including AI-generated summaries, may be incomplete, out of date, or inaccurate, and is not legal advice. Always confirm with official sources such as Congress.gov before relying on it. See our Terms.

© 2026 Legislate.dev. All rights reserved.