Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

Swiss scientists have published research showing AI-informed robots can learn how to self correct and teach other robots how to behave. It raises questions of consciousness in artificial intelligence.

Rising gas prices in Lemon Grove are hitting small businesses hard, forcing some to cut hours, raise prices, or scale back operations — as California’s gas tax debate takes center stage.