MI - 2012 GOP Primary: Rick Santorum 37% - Mitt Romney 33% - Ron Paul 15% - (Public Policy Polling 02/17/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +4

US - 2012 Presidential Election: Barack Obama 51% - Mitt Romney 43% - (AP-GfK 02/16/2012) chart & more info

Mitt Romney
Barack Obama
  • Obama +8

US - 2012 GOP Primary: Rick Santorum 33% - Mitt Romney 32% - Newt Gingrich 15% - (AP-GfK 02/16/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +1

WI - 2012 Presidential Election: Barack Obama 53% - Mitt Romney 38% - (Marquette Law School 02/16/2012) chart & more info

Mitt Romney
Barack Obama
  • Obama +15

WI - 2012 GOP Primary: Rick Santorum 34% - Mitt Romney 18% - Ron Paul 17% - (Marquette Law School 02/16/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +16

WA - 2012 GOP Primary: Rick Santorum 38% - Mitt Romney 27% - Ron Paul 15% - (Public Policy Polling 02/16/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +11

AZ - 2012 GOP Primary: Mitt Romney 39% - Rick Santorum 31% - Newt Gingrich 15% - (Rasmussen 02/16/2012) chart & more info

Rick Santorum
Mitt Romney
  • Romney +8

MI - 2012 GOP Primary: Rick Santorum 37% - Mitt Romney 32% - Ron Paul 15% - (American Research Group 02/15/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +5

US - 2012 Presidential Election: Barack Obama 46% - Mitt Romney 44% - (Quinnipiac 02/14/2012) chart & more info

Mitt Romney
Barack Obama
  • Obama +2

US - 2012 GOP Primary: Rick Santorum 35% - Mitt Romney 26% - Newt Gingrich 14% - (Quinnipiac 02/14/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +9

NM - 2012 Presidential Election: Barack Obama 55% - Mitt Romney 36% - (Rasmussen 02/14/2012) chart & more info

Mitt Romney
Barack Obama
  • Obama +19

US - 2012 GOP Primary: Rick Santorum 39% - Mitt Romney 27% - Newt Gingrich 15% - (Rasmussen 02/14/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +12

MI - 2012 GOP Primary: Rick Santorum 34% - Mitt Romney 25% - Ron Paul 11% - (Mitchell Research/ Rosetta Stone 02/14/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +9

MI - 2012 GOP Primary: Rick Santorum 43% - Mitt Romney 33% - Newt Gingrich 11% - (MRG 02/13/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +10

AZ - 2012 GOP Primary: Mitt Romney 38% - Rick Santorum 31% - Newt Gingrich 15% - (American Research Group 02/13/2012) chart & more info

Rick Santorum
Mitt Romney
  • Romney +7