US primaries 2026 live: Graham Platner vies to overcome scandals in Maine as four states hold elections

Polls are open in Maine, North Dakota, Nevada, and South Carolina for the 2026 US primaries. Graham Platner, a Senate candidate in Maine, faces scrutiny over past controversies, including a Nazi tattoo and allegations of abuse, despite support from some Democrats. Others, like Josh Gottheimer, urge him to withdraw from the race.