Should Obama win a second term, Matt Welch fears that Santorum's ideas will further taint the GOP:
If Romney is the tabula rasa Republican, representing nothing and everything in a bid to get elected by any means necessary, Santorum after Tuesday has cemented his place as the GOP's ideas-and-values man. It's his vision–as opposed to the principled limited-government stance of a Ron Paul–that will have pole position if and when Romney loses to Obama.
Larison, on the other hand, argues against Santorum being "next in line."
The Dish 