The stepson of a former Democratic state lawmaker is charged with assaulting a police officer and planning sophisticated attacks against police. The video of the assault, which showed an officer hit in the helmet with a bat, went viral after a night of intense, escalating violence against police officers. Jacob Greenberg, 19, is in King County jail on charges of assault in the first degree, attempted arson in the first degree, and reckless burning in the first degree (a charge from an earlier case). Note: charging documents misspell his last name as “Greenburg.” His alleged accomplice has been identified as...