Did Sestak save Critz in PA-12?

A lot of people are wondering what it means that Republicans weren’t able to pick-up John Murtha’s old seat in last night’s special election. True, Dem registrations outnumber GOP two to one — but the district went for McCain and is trending conservative.

A lot of people have suggested that top of the ticket interest in the state’s Dem primary increased Democratic turnout and carried Mark Critz to victory over his Republican challenger. Jim Geraghty talked to some number crunchers at the National Republican Congressional Committee about the race. According to the NRCC, here’s what happened:

Committee strategists worried about the effect of the Senate primary at first, but as they started getting polling numbers back, they suspected the special election would be the chief driver for turnout in this part of the state. Until the beginning of May or so, that seemed to be the case. But in the final weeks, Sestak’s surge — driven by massive amounts of television advertising, hitting Specter for his ties to George W. Bush — drove a sudden burst of interest in voting among the Democratic base. This analyst thinks these Sestak-driven voters amounted to about 8,000 to 10,000 voters, roughly the size of Critz’s margin of victory. The Sestak-surge-driven Democrats turned out because they were determined to toss out Specter; they were more liberal and more partisan than your average district Democrat. Thus, Tim Burns, who usually ran well among Democrats, in the neighborhood of 20 percent, probably only won about 15 percent of Democrats last night.
This NRCC number-cruncher notes that on paper, the Republicans did have high-intensity turnout; they outperformed the highest Republican level of turnout for a primary – although that’s not the highest bar to clear; since Murtha usually appeared untouchable, GOP primaries in this district weren’t usually big affairs, with 20,000 to 26,000 votes. The Republicans brought out 45,000 votes and expected the Democrats to bring out about 60,000 votes. (If Burns took 20 percent of that, and kept most of the Republican vote, he would win handily.)
Instead, 83,000 Democratic voters turned out.

The NRCC is wisely urging caution about the ability to flip coal-country Democrats to the GOP. However, if this race really is an outlier due to unusually high Democratic turnout then 1) Critz’s victory doesn’t necessarily undermine the case for a GOP blowout in the fall and 2) Burns has a decent shot at taking the seat when Critz is forced to defend it again in November.

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