The incumbent Republican and her Democratic challenger are running unopposed in the primary after a well-respected Black Democrat said major political donors in the state refused to meet with him.
Former U.S. Rep. Abby Finkenauer is facing a tougher-than-expected Democratic U.S. Senate primary in a state that has become more of a GOP stronghold in the last decade.
For the first time in 30 years, Montana has two U.S. House districts. Democrats haven't had representation in decades and have three candidates in Tuesday's primary, along with a big-name Republican.
Five of Michigan's GOP candidates for governor were removed from the race after using fraudulent signatures to get on the ballot. But Gov. Gretchen Whitmer will still need to work hard to keep office.
State officials blocked five GOP candidates from the ballot after signatures they submitted included alleged forgeries. The Republicans said they were unaware of problems with the signatures.