Democratic Gov. John Bel Edwards of Louisiana is in the fight of his political life as he attempts to hold on to the governor's mansion despite the challenge of Republican businessman Eddie Rispone. Once polls close we'll have up-to-the-minute live updating results.

A Mason-Dixon poll of the race from early November had Edwards at 48%, Rispone at 46%.

The election is a critical one for a number of reasons. As the 2020 election approaches ever nearer, the president's ability to carry preferred candidates past the finish line in states that went for him by large margins is a major concern. Republicans control both the state house and state senate, so a GOP take here would grant them the trifecta control of government, while a Democratic hold would continue the mixed government Louisiana has often maintained.

Trump won Louisiana by 20 percentage points in 2016, but that's not a guarantee anymore. Last week, Trump-ally Gov. Matt Bevin of Kentucky narrowly lost his re-election bid despite the President, who won Kentucky by 30 percentage points, hosting a rally in his support. On Thursday, the president backed Rispone, whose ascendance imitates the president's own rise to office, at a rally.

Polls close at 8 p.m. local time , which will be 9 p.m. Eastern. After that, this page will automatically update with the very latest results as they come in.

Louisiana has had a long history of Democratic leadership despite the increasingly conservative electorate of the state, and Edwards ran with the support of a number of Republican leaders , as well as the selling point that he's successfully reined in spending while expanding Medicaid.

Rispone, the founder of a construction business, ran for the governorship as an outsider, directly adapting the kind of talking points that successfully propelled Donald Trump to the presidency .

The election is on a Saturday because it is technically a runoff: In Louisiana, all candidates for the office of governor run in a single primary. If one individual gets a majority of the vote, they've won the election; if no one claims a majority, a runoff of the top two contenders goes on.

In mid-October, Edwards took 47% of the vote in the primary, Rispone took 27%, and Republican Ralph Abraham took 24%, setting the stage for the events of today.

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