Exit poll: Obama leads Romney in Wisconsin

By Domenico Montanaro, Deputy Political Editor, NBC News

President Obama leads Republican Mitt Romney 51-45 percent in Wisconsin, according to exit polls of voters in today's gubernatorial recall election in the state.

If incumbent Gov. Scott Walker (R) staves off the challenge from Milwaukee Mayor Tom Barrett (D) and keeps his job, the Obama-Romney head-to-head numbers will throw cold water on analyses claiming the recall is a harbinger for this fall's presidential election.

And by a 48-35 percent margin, voters said Obama would do a better job helping the middle class.

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