The party had a good showing overall in the district after concerns that California's open "jungle primary", where the top-two vote-getters advance regardless of party, could have let two Republicans sneak into the general.
The Republican establishment also had a good night, including the strong second-place finish for Cox in California. Since Trump first took office early a year ago, Newsom has dedicated his work to counteracting Trump's policies on everything from immigration to legal weed, running his campaign under the purposely antagonistic tagline, "Resistance With Results". The statistics are staggering for Democratic strategists and their "blue wave" theory.
To help us make sense of key races up and down the state, Berkeley News spoke with Mark DiCamillo, director of the Berkeley IGS Poll, part of UC Berkeley's Institute of Governmental Studies. Even Fake News CNN said the Trump impact was really big, much bigger than they ever thought possible.
Ivey, who stepped into the governor post after the resignation of Robert Bentley past year, will seek a full term in November. Democrat state Sen. Kevin de Leon and Republican James Bradley are now running two and three.
A Republican-backed effort to repeal the tax increase is likely to be on the November ballot, and the Newman recall election is an early test of where voters stand.
While California has drawn the most attention, the Golden State was not the only one going to the polls on Tuesday.
Only 5% of Party Republicans say immigration is the issue that will most decide their vote this November, compared with 22% of "Trump Republicans"-those who say they support Mr. Trump more than the party itself".
If Democrats pick up only a seat or two - or even gain nothing - in the state and thus fail to win back the House, it would be a huge setback for Minority Leader Nancy Pelosi's hopes of becoming speaker again and could lead to her ouster as the top Democrat in the House. The favorite of Washington Democrats will take on GOP Assemblyman Jay Webber in one of several New Jersey races Democrats view as possible pickups.
In Alabama, four-term Republican Rep. Martha Roby was forced into a runoff election next month after failing to win 50 percent of her party's vote. And as Democratic support among white voters - especially evangelicals, and especially non-college-educated people - has gradually eroded, it has gradually made Iowa more hospitable to Republicans, who won a very big midterm victory in the state in 2014.
In addition, Trump threatened to shut down the federal government rather than support Frelinghuysen's allocation for the Gateway Tunnel project, GOP leaders allowed a vote to kill the funding altogether, and Republicans refused to provide Sandy victims with the same tax breaks as residents of other states hit by hurricanes.
He singled out Rep. Dana Rohrabacher for congratulations after the California Republican beat back a slew of challengers in the 48th Congressional District. In the two with retiring members, the Democrats are favored.
Republican businessman Bob Hugin claimed the Republican nomination to face Menendez this fall. In the third, Issa's district, Republican Diane Harkey was leading in early returns, as two Democrats vied for the second slot.
In the House races, Democrats are focusing on seven districts now in Republican hands that voted for Clinton in 2016 and could flip again this year.
And to the north, House intelligence committee chairman Devin Nunes, a Republican, qualified for the general election ballot as well.
Republicans are more enthusiastic than Democrats and independents about voting this November, but all Americans are more eager to vote than they were in the last mid-term elections.
Democrats were particularly concerned about this possibility in three southern California districts.
A key Senate race took shape in the heart of Trump country as well. Jon Tester, one of the most vulnerable senators in the nation.