Midterm campaign updates: GOP's Cheney endorses Ohio Democrat Tim Ryan for Senate

Security and intelligence agencies are boosting their efforts to monitor online threats of political violence -- which some experts say have been exacerbated by election denialism -- as November's midterm races rapidly approach.

"We're seeing these conspiracy theories and other narratives being promoted online by extremist groups and conspiracy theory organizations like QAnon. On the other hand, we're seeing mainstream public figures in government in politics, even in the media, mimic and amplify these fringe narratives, these conspiracy theories. And that's very powerful in the sense that it tells people that these ideas aren't that wacky," John Cohen, a former Department of Homeland Security intelligence official, told ABC News.

As intelligence officials see election conspiracy theories rapidly become part of the cultural mainstream, agencies are spending more time trying to combat the misinformation before it leads to violence.

Chris Rodriguez, the director of the Homeland Security and Emergency Management Agency, which helps track threats and inform law enforcement officials, told ABC News that the danger from right-wing extremists has grown.

"We've really seen an evolution of the threat. We're seeing a lot more threats toward local elected officials, for example, people in communities who actually run elections," Rodriguez said. "We've also seen calls for what is referred to as a quote 'second Civil War,' which is, again, very troubling and very concerning."

Now, Rodriguez's agency is doubling down on the coordination of information-sharing with partners.

"We've been communicating with authorities in Pennsylvania and Ohio and Arizona and Colorado to make sure, again, that we are we're doing the best that we can to keep our election officials, people who are administering elections and the public at large, safe and secure."

-- ABC News' Lalee Ibssa

California Democratic Gov. Gavin Newsom again criticized his party's midterm campaign strategy in an interview with MSNBC on Tuesday from Austin, Texas, blasting Democrats for what he called ineffective "messaging problem" that has persisted for years.

"We need to be more assertive to wake folks up," Newsom said.

"There's no doubt states are on the front lines of the rights battle. Period. Full stop. And the Supreme Court now has made that crystal clear … We allow these culture wars to take shape. And we consistently are on the back end of them."

The remarks follow a speech he made this weekend at the Texas Tribune Festival, where he said the Democrats are "getting crushed" by their GOP opponents due to their backseat campaign style while Republicans "dominate with illusion."

The one-term blue state governor has said he does not plan on running for the Democratic presidential nomination in 2024 despite increased national media appearances and political ventures, like his reelection campaign's rental of pro-abortion billboards in six states with near-total abortion bans.

On Wednesday, he said Democrats can turn it all around, "if we go on the offense."

"That's why I'm doing the billboards. That's why I'm doing these ads. That's why I'm doing these TV commercials in other states. Take it to them," he said. "People are losing their rights. We can't sit by but you've got to push back. We've got to hold them accountable. And yes, we prepare ourselves for the great reconciliation, and that's to come --- because we can't, for no other reason, we can't live like this."

–ABC News' Libby Cathey

Nevada, known for its consistently tight political races, is set to play an outsize role in this year's midterm politics given an array of what are expected to be margin-of-error contests for the Senate and more.

The Silver State has tilted narrowly but decisively toward Democrats in most election cycles since 2016 -- most recently handing the party its six Electoral College votes for president, the governor's mansion, both Senate seats and three out of four House districts.

But Republicans are mustering their political might to flip several of those offices in a year that is anticipated to favor the GOP.

Former state Attorney General Adam Laxalt, a Republican, is running to unseat first-term Democratic Sen. Catherine Cortez Masto, while Clark County's Republican Sheriff Joe Lombardo is facing Democratic Gov. Steve Sisolak.

Democratic Reps. Steve Horsford, Susie Lee and Dina Titus are all running to protect their Las Vegas-area House seats, and Democratic attorney Cisco Aguilar is running for secretary of state against Republican Jim Marchant, who has pushed baseless conspiracies about the 2020 presidential race.

Read more here.

–ABC News’ Tal Axelrod and Abby Cruz

Some of the migrants from Venezuela, including parents and children, thought they were being taken to communities with jobs for them and other resources, they or their attorneys later said. But local officials said they did not know about their arrival and scrambled to accommodate them.

A day later, Florida's Republican Gov. Ron DeSantis took credit for transporting the migrants.

He cast the flights -- which his state's government paid for out of funds originally tagged for COVID-19 relief -- as a necessary stunt in protest of Democrats' immigration policies.

Read more here.

--ABC News' Miles Cohen