AP Photo 10 months ago

Iowa Gov. Terry Branstad, center, talks to a volunteer helping clean up tornado damage in Mapleton, Iowa, Sunday, April 10, 2011, after a large tornado flattened a grain elevator and destroyed homes and buildings on its weekend rampage through this small western Iowa town. Authorities...

AP Photo 10 months ago

Destruction in Early, Iowa, is shown in this aerial photo on Sunday, April 10, 2011, The small town was hit by a tornado on Saturday which also caused damage in Mapleton, Iowa. The tornado was one of several reported in Iowa. The weather service said it had confirmed a total of four...

AP Photo 10 months ago

A house in Mapleton, Iowa, shows damage Sunday, April 10, 2011, after a large tornado flattened a grain elevator and destroyed homes and buildings on its weekend rampage through this small western Iowa town. Authorities reported no serious injuries.

AP Photo 10 months ago

Destruction in Mapleton, Iowa, in this aerial photo on Sunday, April 10, 2011, The tornado was one of several reported in Iowa. The weather service said it had confirmed a total of four smaller twisters that touched down near Early and Nemaha, damaging several homes. (AP Photo/Sioux...

AP Photo 10 months ago

A resident in Mapleton, Iowa, stands near trees where large metal sheets are lodged in, Sunday, April 10, 2011, after a large tornado flattened a grain elevator and destroyed homes and buildings on its weekend rampage through this small western Iowa town. Authorities reported no serious...

AP Photo 10 months ago

Rubble from damaged homes litters the street in Mapleton, Iowa, Sunday, April 10, 2011, after a large tornado flattened a grain elevator and destroyed homes and buildings on its weekend rampage through this small western Iowa town. Authorities reported no serious injuries.

AP Photo 10 months ago

A cleanup crew removes debris in Mapleton, Iowa, Sunday, April 10, 2011, after a large tornado flattened a grain elevator and destroyed homes and buildings on its weekend rampage through this small western Iowa town. Authorities reported no serious injuries.

Reuters Pictures 10 months ago

Two participants from Iowa U.S. help a young boy ride a sheep during a horsemanship exhibition in the Kyrgyz capital Bishkek April 9, 2011.

Reuters Pictures 10 months ago

A cowboy (L) from Iowa U.S. rides alongside a Kyrgyz horsewoman during a horsemanship exhibition in the Kyrgyz capital Bishkek April 9, 2011.

Reuters Pictures 10 months ago

A cowboy from Iowa, U.S. shows his horsemanship skills during an exhibition in the Kyrgyz capital Bishkek April 9, 2011.

AP Photo 10 months ago

This undated photo released by the Iowa Army National Guard shows Spc. Timothy Bagley. Bagley, 21, is one of two Iowa National Guard soldiers wounded in a roadside bombing Monday, April 4, 2011, in Afghanistan.

AP Photo 10 months ago

This undated photo released by the Iowa Army National Guard shows Sgt. Eric Lindsey. Lindsey, 30, is one of two Iowa National Guard soldiers wounded in a roadside bombing Monday, April 4, 2011, in Afghanistan.

Reuters Pictures 10 months ago

U.S. Senator Chuck Grassley of Iowa chooses to walk rather than ride a Senate subway rail car from the Dirksen Senate Office Building into the Capitol April 5, 2011.

AP Photo 10 months ago

Bill Leaver, Iowa Health System President and CEO.

AP Photo 10 months ago

Sen. Tom Harkin, D-Iowa, joins Senate Majority Leader Harry Reid, D-Nev. , left, and other senators at a "Back Off Social Security" rally on Capitol Hill in Washington, Monday, March 28, 2011.

AP Photo 11 months ago

Chris Griffin of Des Moines, Iowa, listens to Mississippi Gov. Haley Barbour speak during the Conservative Principles Conference Saturday, March 26, 2011, in Des Moines, Iowa.

AP Photo 11 months ago

Vincent Campos, of Council Bluffs, Iowa, listens to U.S. Rep. Ron Paul, R-Texas, speak at a rally by home school advocates, Wednesday, March 23, 2011, at the Statehouse in Des Moines, Iowa.

AP Photo 11 months ago

Elaine Deal, of Des Moines, Iowa, shops for tomatoes at a local Dahl's grocery store, Wednesday, March 23, 2011, in Des Moines, Iowa. The sharpest increase in produce prices in decades should ease in coming weeks as growers deliver more tomatoes, lettuce and other crops to grocers.

AP Photo 11 months ago

Iowa State running back Shontrelle Johnson runs a drill during the first day of the team's NCAA college football spring practice, Tuesday, March 22, 2011, in Ames, Iowa.

AP Photo 11 months ago

Iowa State coach Paul Rhoads watches his team during the first day of the team's NCAA college football spring practice Tuesday, March 22, 2011, in Ames, Iowa.

AP Photo 11 months ago

Iowa State quarterbacks Jerome Tiller and Steele Jantz (2) look on during the first day of the team's NCAA college football spring practice Tuesday, March 22, 2011, in Ames, Iowa.

AP Photo 11 months ago

Iowa State quarterback Jerome Tiller throws a pass during the first day of the team's NCAA college football spring practice, Tuesday, March 22, 2011, in Ames, Iowa.

Reuters Pictures 11 months ago

Former Minnesota Governor Tim Pawlenty speaks during the Iowa Faith & Freedom Coalition's Spring Event at Point of Grace Church in Waukee, Iowa, in this March 7, 2011 file photo. Pawlenty on March 21, 2011 became the first high-profile Republican to show serious intent to enter the U.S....

AP Photo 11 months ago

Northern Iowa guard K.K. Armstrong (4), forward Erin Brocka (44) and guard Mercedees Morgan (45) leave the floor with teammates after waving to fans after losing an NCAA women's college basketball tournament game to Michigan State Sunday, March 20, 2011, in Wichita, Kan. Michigan State...

AP Photo 11 months ago

Northern Iowa guard K.K. Armstrong (4) is fouled by Michigan State forward Cetera Washington, left, during the second half of an NCAA women's college basketball tournament game Sunday, March 20, 2011, in Wichita, Kan. Michigan State defeated Northern Iowa 69-66.