Candidates both Republican and Democratic will enter contested primaries for the U.S. Senate seat on June 7.
Jim Carlin
Party Affiliation: Republican.
Age: 59.
City of Residence: Sioux City.
Family: Wife, Donna Carlin; Children, Westly, Whitney and Hannah; Grandchildren, Bennett, Anne, Clara.
Occupation: Lawyer.
Resident of Iowa: 31 years.