7 Democrats:
Joseph I. Lieberman, Connecticut
Robert C. Byrd, West Virginia
E. Benjamin Nelson, Nebraska
Mary Landrieu, Louisiana
Daniel Inouye, Hawaii
Mark Pryor, Arkansas
Ken Salazar, Colorado
7 Republicans:
John S. McCain III, Arizona
Lindsey O. Graham, South Carolina
John Warner, Virginia
Olympia Snowe, Maine
Susan M. Collins, Maine
R. Michael DeWine, Ohio
Lincoln Chafee, Rhode Island