Santorum won narrow victories in both the Alabama and Mississippi Republican primaries, but exit polling shows there was no clear winner among white born-again/evangelical voters in either state.

Exit polls from Super Tuesday primaries show that Mitt Romney continues to struggle among evangelicals, and Rick Santorum is yet to win among Catholics in any state where exit polling was conducted.

Data from exit or entrance polling in the seven states where it has been conducted for GOP primaries and caucuses show that Mitt Romney’s fortunes among white born-again/evangelical voters have fluctuated from state to state. He has received less support from evangelicals than from non-evangelicals in every contest for which data are available.

Mitt Romney won the Arizona primary by a large margin and secured a narrow victory in the Michigan primary. In both states, his support among born-again/evangelical voters was weaker than among non-evangelicals, continuing the pattern from previous primaries and caucuses in other states.

A new Pew Research Center poll finds that Rick Santorum and Mitt Romney are now virtually tied in the race for the Republican presidential nomination. Santorum’s improving fortunes in the GOP race have been buoyed by a surge in support among white evangelicals, who now express a clear preference for Santorum over Romney and Newt Gingrich.