PA - 2012 Senate: Bob Casey 31% - Tom Smith. 21% - (Mercyhurst Univ. 09/24/2012) chart & more info

Tom Smith.
Bob Casey
  • Casey +10

MT - 2012 Senate: Denny Rehberg 48% - Jon Tester 45% - (Mason-Dixon 09/23/2012) chart & more info

Jon Tester
Denny Rehberg
  • Rehberg +3

PA - 2012 Senate: Bob Casey 49% - Tom Smith. 42% - (Rasmussen 09/23/2012) chart & more info

Tom Smith.
Bob Casey
  • Casey +7

NE - 2012 Senate: Deb Fischer 56% - Bob Kerrey 40% - (World Herald/Wiese Research 09/23/2012) chart & more info

Bob Kerrey
Deb Fischer
  • Fischer +16

CA - 2012 Senate: Dianne Feinstein 57% - Elizabeth Emken 31% - (Field 09/22/2012) chart & more info

Elizabeth Emken
Dianne Feinstein
  • Feinstein +26

FL - 2012 Senate: Bill Nelson 48% - Connie Mack 40% - (Mason-Dixon/Tampa Bay Times/Miami Herald 09/21/2012) chart & more info

Connie Mack
Bill Nelson
  • Nelson +8

WI - 2012 Senate: Tammy Baldwin 49% - Tommy Thompson 45% - (Public Policy Polling 09/21/2012) chart & more info

Tommy Thompson
Tammy Baldwin
  • Baldwin +4

WI - 2012 Senate: Tammy Baldwin 49% - Tommy Thompson 46% - (Rasmussen 09/21/2012) chart & more info

Tommy Thompson
Tammy Baldwin
  • Baldwin +3

WI - 2012 Senate: Tammy Baldwin 48% - Tommy Thompson 46% - (NBC/WSJ/Marist 09/20/2012) chart & more info

Tommy Thompson
Tammy Baldwin
  • Baldwin +2

MI - 2012 Senate: Debbie Stabenow 50% - Pete Hoekstra 34% - (Detroit News/WDIV 09/20/2012) chart & more info

Pete Hoekstra
Debbie Stabenow
  • Stabenow +16

FL - 2012 Senate: Bill Nelson 47% - Connie Mack 42% - (We Ask America 09/20/2012) chart & more info

Connie Mack
Bill Nelson
  • Nelson +5

NJ - 2012 Senate: Robert Menendez 50% - Joseph Kyrillos 36% - (Fairleigh Dickinson 09/20/2012) chart & more info

Joseph Kyrillos
Robert Menendez
  • Menendez +14

MA - 2012 Senate: Scott Brown 49% - Elizabeth Warren 45% - (UMass/Herald 09/20/2012) chart & more info

Elizabeth Warren
Scott Brown
  • Brown +4

NV - 2012 Senate: Dean Heller 42% - Shelley Berkley 41% - (Rasmussen 09/20/2012) chart & more info

Shelley Berkley
Dean Heller
  • Heller +1

VA - 2012 Senate: Tim Kaine 47% - George Allen 43% - (FOX News 09/19/2012) chart & more info

George Allen
Tim Kaine
  • Kaine +4

FL - 2012 Senate: Bill Nelson 49% - Connie Mack 35% - (FOX News 09/19/2012) chart & more info

Connie Mack
Bill Nelson
  • Nelson +14

OH - 2012 Senate: Sherrod Brown. 47% - Josh Mandel 40% - (FOX News 09/19/2012) chart & more info

Josh Mandel
Sherrod Brown.
  • Brown. +7

WI - 2012 Senate: Tammy Baldwin 50% - Tommy Thompson 41% - (Marquette University 09/19/2012) chart & more info

Tommy Thompson
Tammy Baldwin
  • Baldwin +9

VA - 2012 Senate: Tim Kaine 51% - George Allen 43% - (Washington Post 09/19/2012) chart & more info

George Allen
Tim Kaine
  • Kaine +8

VA - 2012 Senate: Tim Kaine 51% - George Allen 44% - (CBS/NYT/Quinnipiac 09/19/2012) chart & more info

George Allen
Tim Kaine
  • Kaine +7