Rick Santorum now appears to have solid leads over Mitt Romney both nationally and in Michigan. According to Pew, Santorum is preferred by conservatives 36 percent to 25 percent. Meanwhile, moderate and liberal Republicans prefer Romney 34 percent to 20 percent.

Which is a bit odd, considering that The New York Times in-house Republican-moderate David Brooks loves Santorum. Here is Brooks on Santorum on January 2nd: