However who wins, and her margin of victory, might inform us just a little about what Democratic voters are pondering because the celebration tries to capitalize on its slender management of Washington and prepares for a troublesome 2022 midterms problem.

If Ms. Turner wins, particularly if she does so with ease, it could be an indication that the upstart progressive vitality that propelled Mr. Sanders’s two presidential campaigns just isn’t fading, because the motion seeks new nationwide leaders to regularly succeed the 79-year-old Mr. Sanders. And it could most definitely ship to Congress one other high-profile advocate for the left’s largest priorities, like common well being care and far-reaching local weather motion.

If Ms. Brown wins, significantly if she does so by a big margin, it could sign that Democratic voters want a candidate extra consistent with the celebration’s standard-bearers in Washington, and are cautious about electing somebody with a history of criticizing these leaders. Or, as Sean McElwee, the chief director of the polling agency Knowledge for Progress, put it, it could counsel that Democratic voters “are desirous about voting for the one who’s going to go to work they usually’re not going to have to consider ever once more.”

Within the Republican race close to Columbus, a crowded subject of Republicans is vying to upset Mike Carey, an vitality lobbyist who was endorsed by Mr. Trump. He was largely unknown till the previous president threw his support behind Mr. Carey in early June and all however ensured that he can be the front-runner.

However the race is fluid, with greater than 10 candidates working for the Republican nomination. A few of Mr. Carey’s rivals even have extra established reputations within the district, the fifteenth Congressional, in addition to the backing of outstanding allies of Mr. Trump.

These rivals embody Bob Peterson, a state senator who additionally operates a 2,700-acre grain farm and has the help of Ohio Proper to Life, the state’s main anti-abortion group. There’s additionally Ruth Edmonds, who has a following amongst Christian conservatives and the endorsements of Ken Blackwell, a outstanding conservative activist and Trump ally, and Debbie Meadows, an activist and the spouse of Mark Meadows, Mr. Trump’s final White Home chief of workers.