1. Bayh (IN) **

2. Begich (AK)

3. Casey (PA)

4. Hagan (NC)

5. Inouye (HI)

6. Klobuchar (MN)

7. Kohl (WI)

8. Landrieu (LA) **

9. Lincoln (AR)

10. McCaskill (MO)

11. Merkley (OR)

12. Mikulski (MD)

13. Murray (WA)

14. Nelson (NE)

15. Pryor (AR)

16. Warner (VA)

17. Webb (VA)

18. Wyden (OR) **

Republicans: 23

1. Alexander (TN) **

2. Bond (MO)

3. Brown (MA)

4. Burr (NC)

5. Chambliss (GA)

6. Coburn (OK)

7. Cochran (MS)

8. Corker (TN)

9. Collins (ME) **

10. Cornyn (TX)

11. Crapo (ID)

12. Graham (SC)

13. Hutchison (TX)

14. Inhofe (OK)

15. Isakson (GA)

16. LeMieux (FL)

17. Sessions (AL)

18. Shelby (AL)

19. Snowe (ME)

20. Risch (ID)

21. Vitter (LA)

22. Voinovich (OH) **

23. Wicker (MS