A new Marquette Law School Poll in Wisconsin finds Rick Santorum leading the GOP presidential field with 34%, followed by Mitt Romney at 18%, Ron Paul at 17% and Newt Gingrich at 12%.
The Wisconsin GOP primary, which allows any registered voter to participate, is scheduled for April 3.
In general election match ups, President Obama leads each of his GOP rivals by double digits.
Limited-time offer
Members get Talking Points analysis, Trending News, the Polling Dashboard, the Trial Balloon podcast, new site features and no ads. Start your free trial
Political Wire is reader-supported. Join for ad-free reading, member posts and new features →
Taegan Goddard
Taegan Goddard is the founder of Political Wire -- which for more than two decades has been one of the nation's most influential political news sites.
More about Taegan Goddard →
?Political Trivia
Eight moments in political history. Put them on a timeline.
Play →
Five senators. Three bills. Can you guess how they all voted?
Play →
Nine Justices. One case. How did they rule?
Play →
Do you have your finger on the pulse of America?
Play →
Four questions a day.
Play →
A new game every day.