(Gage Skidmore, Creative Commons)

Here’s a breakdown:

Pennsylvania Republicans are expressing major doubts about Santorum's viability both in the primary and the general election. Only 36% of GOP voters think Santorum has a realistic chance at the nomination to 54% who believe he does not. And when it comes to matching up against Barack Obama in the fall only 24% of Republicans think Santorum would provide their best chance for a victory while 49% think that designation belongs to Romney.

The full results can be read here. 

Mitt Romney’s momentum is growing. On Tuesday’s he won the primaries in Wisconsin, Maryiand and Washington D.C. Analysts say the wins are projected to put Romney near the half-way mark for the 1,144 delegates needed for the GOP nomination. However, Santorum said he plans to go all the way to the convention.