Seven-term Republican Sen. Chuck Grassley (R-Iowa) easily won in his race against state Sen. Jim Carlin (R) while Republican state Senator and Air Force veteran Zach Nunn defeated two challengers in the newly redrawn 3rd Congressional District in Iowa’s June 7 primary.
With 30 percent of the precincts reporting at 9:46 p.m. ET, Grassley received more than 74 percent of the vote and was projected as the winner by Decision Desk HQ.