Analysis of a nationally representative re-interview survey conducted by YouGov last week (respondents were first interviewed in January 2012) indicates that Santorum has his morally conservative brethren to thank for this front-runner status. Santorum support, not surprisingly, increased rather dramatically among these panelists who were interviewed in both January and February (from 16 to 30 percent). More importantly for our present purposes, the figure below shows that this enhanced over time support was most heavily concentrated among morally conservative Republicans. (via YouGov US Opinion Center)

Analysis of a nationally representative re-interview survey conducted by YouGov last week (respondents were first interviewed in January 2012) indicates that Santorum has his morally conservative brethren to thank for this front-runner status. Santorum support, not surprisingly, increased rather dramatically among these panelists who were interviewed in both January and February (from 16 to 30 percent). More importantly for our present purposes, the figure below shows that this enhanced over time support was most heavily concentrated among morally conservative Republicans. (via YouGov US Opinion Center)