![PBS NewsHour - Segments show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/082/426/small/pbs-newshour-segments.png)
Summary: In our news wrap Monday, police in California are looking for a motive after a gunman killed three people and wounded at least a dozen more at a food festival southeast of San Francisco. Police intervened quickly and killed the alleged shooter, a teenager. Meanwhile, the death toll has climbed to 20 in an Afghanistan suicide bombing aimed at a vice presidential candidate. The blast injured 50.