Washington AG Nick Brown joined a lawsuit against Trump's challenge to California's vehicle emissions standards.

Federal appeals court blocks California's National Guard victory over Trump, escalating constitutional crisis between ...

The Trump administration faces a legal challenge to its deployment of the military to protests. Tensions flared after President Trump sent troops, and protests spread to other U.S. cities.

California Gov. Gavin Newsom argues that President Donald Trump's unilateral deployment of that state's National Guard was ...

A lawsuit filed against the Trump administration this week in San Diego federal court alleges the administration illegally ...

The California governor argued the president had no right to send thousands of military troops to Los Angeles amid ICE ...

The disagreement between President Donald Trump and California Gov. Gavin Newsom over Trump deploying state National Guard ...

A coalition of 11 U.S. states has filed a lawsuit against President Trump over the repeal of California's authority to enforce its own emissions standards.

California and ten other Democrat-led states sued the Trump administration for repealing the state’s authority to impose a ...

Massachusetts AG Campbell joins a lawsuit against the Trump Administration's revocation of state emissions waivers.

A federal judge has ruled that President Trump’s call-up of the California National Guard was illegal, prompting an immediate ...

The appeals court issued its pause just hours after Judge Charles Breyer wrote that Trump’s “actions were illegal." The 9th ...