Map Key

Arizona

Jim Pederson, challenging Sen. Jon Kyl
Michigan

Sen. Debbie Stabenow, seeking re-election
Minnesota

County Attorney Amy Klobuchar, running v. Rep Mark Kennedy for open seat
New Jersey

Sen. Bob Menendez, seeking re-election
Ohio

Rep. Sherrod Brown, challenging Sen. Mike DeWine
Pennsylvania

State Treasurer Bob Casey, challenging Sen. Rick Santorum
Rhode Island

Sen. Lincoln Chafee, facing primary and general election challenges
Washington

Sen. Maria Cantwell, seeking re-election

Arizona

St. Sen. Harry Mitchell, challenging Rep. J.D. Hayworth

Former St. Sen. Gabrielle Giffords, seeking open seat
Colorado

St. Rep. Ed Perlmutter, seeking open seat

St. Rep. Angie Paccione, challenging Rep. Marilyn Musgrave
Florida

St. Sen. Ron Klein, challenging Rep. E. Clay Shaw
Illinois

Rep. Melissa Bean, seeking re-election

Major Tammy Duckworth ,seeking open seat

Phil Hare, seeking open seat
Iowa

Rep. Leonard Boswell, seeking re-election

Bruce Braley, seeking open seat
Minnesota

Patty Wetterling, seeking open seat
New Mexico

Attorney General Patricia Madrid, challenging Rep. Heather Wilson
New York

County Attorney Mike Arcuri, seeking open seat
Ohio

City Councilman John Cranley, challenging Rep. Steve Chabot
Pennsylvania

Patrick Murphy, challenging Rep. Mike Fitzpatrick

Admiral Joe Sestak (ret), challenging Rep. Curt Weldon
Vermont

St. Sen. Peter Welch, seeking open seat
Washington

Darcy Burner, challenging Rep. Dave Reichert (R)