A senator’s son battling for renomination while his father battles corruption charges, a crowded Republican race for an open Montana seat and a handful of contests that will help decide which party has control next year all shape the House primaries happening in five states on Tuesday.
The races in Iowa, Montana, New Jersey, New Mexico and South Dakota will pick nominees for 22 seats, but in one of those races, an unopposed candidate died last month and a special primary will be held this summer to replace him.
Here’s a rundown of those races and others to watch:
