Iowa Governor Terry Branstad, Wisconsin Governor Scott Walker and Virginia Governor Bob McDonnell are due this week.

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In Iowa, Gov. Terry Branstad created a task force to study the issue.

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"My feeling is I can't help what's going on in Washington, " Gov. Terry Branstad, R-Iowa, said in an interview Saturday.

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Tim Albrecht, a Republican strategist working for Iowa Gov. Terry Branstad, said the arrival of Perry is "a big additional challenge" for Bachmann in Iowa.

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"The federal government has to balance its budget like the states do and like individual families do in this country, " said Iowa Gov. Terry Branstad.

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"It's a wide open race, " Iowa Governor Terry Branstad, a Republican, told CNN, adding that many were still on the search for their ideal candidates.

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Lamar Alexander, who has the support of popular Gov. Terry Branstad and, most say, the best organization in the state, hit the same theme in his speech.

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The PTC has strong support, even from many staunch Republicans such as Governors Terry Branstad of Iowa and Sam Brownback of Kansas, whose states are leaders in wind energy production and development.

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They play down the Iowa appearance by contending that Walker simply was returning a favor to Republican Gov. Terry Branstad, who invited Walker to Thursday's event and held a fundraiser for him in Dubuque, Iowa, during the 2012 recall election.

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