California water regulators have said there's no truth to President Donald Trump's claim that the U_S_ military entered the state and "turned on the water."

Trump is taking aim at water supplies for an endangered fish, but scientists say he’s missing the point. It’s one of California’s thorniest problems. The nation’s most populous state is full of sprawling cities, vast farmland, rich ecosystems — and it must decide how to divide scarce water resources among them.