Martin and Steelman may not have the Republican primary to themselves. Former Missouri GOP Chair and 2011 Republican National Committee chair candidate Ann Wagner has indicated that she is considering the race, as have Reps. Jo Ann Emerson and Sam Graves. Wagner and Emerson are said to be personally close so it is unlikely that they will both run. Martin is a former chief of staff to Missouri Gov. Matt Blunt and rallied Tea Party support in 2010 to make his race with Carnahan closer than many anticipated. But he will be challenged for Tea Party backing this year. Steelman, who was thought of as the "Tea Party candidate" when she was considering a Senate primary challenge to then Rep. Roy Blunt (R) last year, has worked on her conservative credentials and has been praised by the fiscally conservative Club for Growth. Both Steelman and Martin would count parts of southern Missouri as their base. Martin's is centered around the St. Louis, where he ran for Congress. Steelman's is to the west, focused around her home in Rolla and where she grew up, Jefferson City. This post was updated at 10:00 a.m.
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