Nebraska and West Virginia hold their statewide primaries on Tuesday.
In Nebraska, the governor's race has top billing, as polls show a close Republican contest between Charles Herbster, Brett Lindstrom and Jim Pillen.
Herbster, who has the endorsement of former President Donald Trump, has faced accusations of groping from multiple women. He denies the allegations.
Nebraska's last polling places close at 9 p.m. ET.
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