Des Moines

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Former Alaska Gov. Sarah Palin is one of many Republicans slated to attend the inaugural Iowa Freedom Summit later this month in Des Moines. (Associated Press)

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LOLO JONES -TRACK & FIELD Lolo Jones clears a hurdle during the women's special shuttle hurdle relay at the Drake Relays athletics meet, Friday, April 25, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Louisiana Gov. Bobby Jindal speaks during the Iowa Faith and Freedom Coalition fall fundraiser on Saturday, Sept. 27, 2014, in Des Moines, Iowa. (AP Photo/Justin Hayworth)

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Sen. Ted Cruz, R-Texas, speaks during the Iowa Faith and Freedom Coalition fall fundraiser on Saturday, Sept. 27, 2014, in Des Moines, Iowa. (AP Photo/Justin Hayworth)

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U.S. Senate candidate Bruce Braley speaks Sunday, Oct. 27, 2013, during the Bruce Blues & BBQ fundraiser for the Braley senate campaign at the Iowa State Fairgrounds in Des Moines, Iowa. (AP Photo/Scott Morgan)

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Joni Ernst delivers her remarks at a victory celebration during a primary election night party on Tuesday, June 3, 2014, at the Des Moines Social Club in downtown Des Moines, Iowa. (AP Photo/The Des Moines Register, Charlie Litchfield) ** FILE **

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Tom Pernice Jr. holds the trophy after winning the Champions Tour's Principal Charity Classic golf tournament, Sunday, June 1, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Tom Pernice Jr., left, talks with Doug Garwood before hitting on the first tee during the final round of the Champions Tour's Principal Charity Classic golf tournament, Sunday, June 1, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Doug Garwood watches his shot off the first tee during the final round of the Champions Tour's Principal Charity Classic golf tournament on Sunday, June 1, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)

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Tom Pernice Jr. watches his shot off the first tee during the final round of the Champions Tour's Principal Charity Classic golf tournament on Sunday, June 1, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall)