NV - 2012 Senate: Dean Heller 44% - Shelley Berkley 39% - (Las Vegas Review-Journal/SurveyUSA 08/23/2012) chart & more info

Shelley Berkley
Dean Heller
  • Heller +5

WI - 2012 Senate: Tommy Thompson 50% - Tammy Baldwin 44% - (CBS/NYT/Quinnipiac 08/23/2012) chart & more info

Tammy Baldwin
Tommy Thompson
  • Thompson +6

WI - 2012 Senate: Tommy Thompson 50% - Tammy Baldwin 41% - (Marquette University 08/22/2012) chart & more info

Tammy Baldwin
Tommy Thompson
  • Thompson +9

WI - 2012 Senate: Tommy Thompson 49% - Tammy Baldwin 44% - (Public Policy Polling 08/22/2012) chart & more info

Tammy Baldwin
Tommy Thompson
  • Thompson +5

CT - 2012 Senate: Linda McMahon 49% - Chris Murphy 46% - (Rasmussen 08/22/2012) chart & more info

Chris Murphy
Linda McMahon
  • McMahon +3

MA - 2012 Senate: Scott Brown 49% - Elizabeth Warren 44% - (Public Policy Polling 08/21/2012) chart & more info

Elizabeth Warren
Scott Brown
  • Brown +5

MI - 2012 Senate: Pete Hoekstra 48% - Debbie Stabenow 46% - (Baydoun/Foster 08/21/2012) chart & more info

Debbie Stabenow
Pete Hoekstra
  • Hoekstra +2

MT - 2012 Senate: Denny Rehberg 47% - Jon Tester 43% - (Rasmussen 08/21/2012) chart & more info

Jon Tester
Denny Rehberg
  • Rehberg +4

MO - 2012 Senate: Todd Akin 44% - Claire McCaskill 43% - (Public Policy Polling 08/21/2012) chart & more info

Claire McCaskill
Todd Akin
  • Akin +1

NY - 2012 Senate: Kirsten Gillibrand 62% - Wendy Long 22% - (Siena College 08/21/2012) chart & more info

Wendy Long
Kirsten Gillibrand
  • Gillibrand +40

WI - 2012 Senate: Tommy Thompson 54% - Tammy Baldwin 43% - (Rasmussen 08/17/2012) chart & more info

Tammy Baldwin
Tommy Thompson
  • Thompson +11

FL - 2012 Senate: Bill Nelson 47% - Connie Mack 40% - (Rasmussen 08/17/2012) chart & more info

Connie Mack
Bill Nelson
  • Nelson +7

PA - 2012 Senate: Bob Casey 43% - Tom Smith. 28% - (Franklin & Marshall 08/16/2012) chart & more info

Tom Smith.
Bob Casey
  • Casey +15

IN - 2012 Senate: Richard Mourdock 41% - Joe Donnelly 39% - Andrew Horning 3% - (Market Research Insight 08/16/2012) chart & more info

Joe Donnelly
Richard Mourdock
  • Mourdock +2

ME - 2012 Senate: Angus King 46% - Charles Summers 28% - Cynthia Dill 8% - (Moore Consulting 08/15/2012) chart & more info

Charles Summers
Angus King
  • King +18

OH - 2012 Senate: Sherrod Brown. 45% - Josh Mandel 45% - (Rasmussen 08/15/2012) chart & more info

Josh Mandel
Sherrod Brown.
  • Mandel 0

OH - 2012 Senate: Sherrod Brown. 47% - Josh Mandel 37% - (Public Policy Polling 08/14/2012) chart & more info

Josh Mandel
Sherrod Brown.
  • Brown. +10

NM - 2012 Senate: Martin Heinrich 50% - Heather Wilson 41% - (FM3 Research 08/14/2012) chart & more info

Heather Wilson
Martin Heinrich
  • Heinrich +9

MO - 2012 Senate: Todd Akin 48% - Claire McCaskill 47% - (Chilenski Strategies 08/14/2012) chart & more info

Claire McCaskill
Todd Akin
  • Akin +1

MO - 2012 Senate: Todd Akin 51% - Claire McCaskill 40% - Johnathan Dine 4% - (SurveyUSA 08/13/2012) chart & more info

Claire McCaskill
Todd Akin
  • Akin +11