Air Force One touches down at LAX. Photo: Gina Ferazzi/Los Angeles Times via Getty Images

President Trump today plans to revoke California’s landmark emissions standards, setting up another sweeping legal fight with the nation’s largest state that may echo beyond his presidency. 

Why it matters: Trump is at war with California over the environment, homelessness, tax returns, immigration and virtually every topic he touches. The courts are almost always center stage.

  • Gov. Gavin Newsom (D) — who earlier this year told "Axios on HBO" that Trump is helping turn the GOP into a dying, xenophobic party — accused the president of a "political vendetta" with his latest move. 

This could snuff out any hope automakers had of avoiding a bitter legal fight between the administration and California, Axios' Ben Geman writes.

  • "This will be the biggest fight in environmental law since the Clean Power Plan. Maybe bigger," tweeted Nathan Richardson of the University of South Carolina School of Law.

The backdrop: Trump, who spent the night in L.A., kicked off a Golden State moneymaking swing yesterday with a $3 million Bay Area luncheon, followed by a $5 million Beverly Hills dinner at the home of real estate developer Geoffrey Palmer, per AP.

  • Trump will bring in $7 million today with a breakfast in L.A. and luncheon in San Diego, before he visits the border wall.

The bottom line: The landscape on California issues would shift overnight if a Democrat wins the White House — but Trump rightly sees the state as unwinnable.

Go deeper: California plays by its own rules

Go deeper

As boycott grows, Facebook juggles rights groups and advertisers

Illustration: Aïda Amer/Axios

As an advertiser boycott of Facebook over its tolerance of hate speech continues to snowball, the company has begun making small, incremental changes to mollify activists while it tries to buy time to evolve its content policies.

Driving the news: Sources tell Axios that the product and policy changes sought by the #StopHateForProfit campaign were long under discussion both inside Facebook and with some external groups. Meanwhile, CEO Mark Zuckerberg has reportedly told employees that the boycotting advertisers will be back before long.

Replacing the nursing home

Illustration: Sarah Grillo/Axios

Nursing homes have been the epicenter of the coronavirus outbreak, prompting more urgent discussions about alternative housing situations for elderly Americans.

Why it matters: Deaths in nursing homes and residential care facilities account for 45% of COVID-19 related deaths, per the Foundation for Research on Equal Opportunity — but there are few other viable housing options for seniors.

35 mins ago - Health

How Joe Biden would tackle the coronavirus

Illustration: Aïda Amer/Axios

If Joe Biden wins in November, his coronavirus response would feature a no-expenses-spared federal approach to mitigating the virus and a beefed-up safety net for those suffering its economic consequences.

Why it matters: It’s nearly inevitable that the U.S. will still be dealing with the pandemic come January 2021, meaning voters in America will choose between two very different options for dealing with it.