Representative Randy Feenstra has crucial establishment support and the endorsement of President Trump, but he faces challenges from Brad Sherman, a former state legislator; Zach Lahn, a farmer; and A...

Welcome to Primary Day in Iowa! Follow along with our live coverage throughout the day and into the evening as results become available.

On the Democratic side, state Sen. Zach Wahls and state Rep. Josh Turek have competed in a hard-fought primary around the idea of who is better positioned to win after years of GOP dominance in Iowa.