In deep red Iowa, a Democratic challenger is snapping at Steve King’s heels

SIOUX CITY, IOWA — Iowa’s 4th District is not exactly what you’d call ideal territory for a first-time Democratic congressional candidate.

During the 2016 presidential election, Donald Trump trounced Hillary Clinton throughout the district. For the past 16 years, it has been represented in Washington by far-right, anti-immigrant Republican Congressman Steve King.

The strength of that conservative support is on full display at a diner in the town of Cherokee, where...