Senate Republicans say changes are coming for the sprawling domestic policy bill carrying President Trump's agenda. Their colleagues who took political risks to push it through the House might not like them.
Democrats have argued that House Republicans' measure would rob courts of their power by stripping away any consequences for officials who ignore judges' rulings.
In 50 years, California's authority to set environmental rules that are tougher than national standards had never been challenged by Congress. Until now.
