Zach Lahn wins Iowa GOP governor primary, upsetting Trump-backed rival
Zach Lahn has won the Iowa GOP governor primary, defeating a Trump-backed congressman. This victory sets the stage for a competitive gubernatorial race against Democrat Rob Sand in November. Lahn's win marks a significant upset in a state that has leaned Republican in recent years.
- ▪Zach Lahn is projected to win the Republican primary for Iowa governor, overcoming Rep. Randy Feenstra.
- ▪Lahn's campaign focuses on local ownership of farmland and addressing Iowa's high cancer rate.
- ▪Democrat Rob Sand, who ran unopposed for his party's nomination, has emphasized government accountability.
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Politics Zach Lahn projected to win Iowa GOP governor primary, upsetting Trump's pick in a state Democrats hope to flip By Joe Walsh Joe Walsh Senior Editor, Politics Joe Walsh is a senior editor for digital politics at CBS News. Joe previously covered breaking news for Forbes and local news in Boston. Read Full Bio Joe Walsh Updated on: June 3, 2026 / 2:08 AM EDT / CBS News Add CBS News on Google Zach Lahn will win the Republican primary for Iowa governor, CBS News projects, overcoming a Trump-backed congressman and setting up a November contest against Democrat Rob Sand that could be one of this year's most competitive gubernatorial races.Lahn — a farmer and businessman who has touted his ties to the "Make America Healthy Again" movement — prevailed over a crowded GOP field on Tuesday.
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