"It's a real risk that voters will think polls are fake news and stay home, that's a massive risk," said Republican strategist Evan Siegfried.
If Gillum wins his election, he'd be "the governor of the third-largest state in the country, he's African American, and he pulled off a significant upset. I think he would be a contender for vice president, at least," said Corey Lewandowski.
Here's what to watch for on Tuesday in several close gubernatorial races.
They express increasing frustration and dissatisfaction with the Trump administration, which has often sought to paint non-whites as criminals and usurpers.
Democrats would likely launch investigations into the various controversies surrounding Trump if they won control of the House.
There are some positive signs for Democrats in Texas, where Beto O'Rourke appears to be closing the gap to Senator Ted Cruz.
"Sorry for the mistake with JOHN JAMES first name but you'd be making one if you don't elect him to Senate from Michigan," Rudy Giuliani tweeted the day after.
Come to think of it, a cheesesteak sounds great.
"They probably wasted thousands upon thousands of dollars on those videos and they came across as flimsy," the anonymous video creator said of GOP ad efforts.
Trump Jr. urged Americans to vote Republican "in 7 DAYS" which is November 7, the day after the midterm elections.
In an analysis of early voting numbers, Target Smart found that more than 200,000 people have already voted for the first time in Texas, and the number of Hispanic voters has increased by more than 200 percent since 2014.
King has been isolated due his support of white nationalists.
The conservative channel snagged the top five spots for cable news program.
A Quinnipiac University Poll found that Cruz was leading O'Rourke by five points, with 3 percent of Texan voters still undecided.
"Voter suppression isn't only about blocking the vote," said Abrams. "It is also about creating an atmosphere of fear, making sure their votes won't count."
Health care could play a huge role in how folks vote in 2018. A new poll showed Dems are trusted more than the GOP on the issue.
Migrants have a right not to be sent back to a country where they will face persecution—or even death.