SEATTLE — A 13-year-old girl and a 15-year-old boy accused of intentionally hitting pedestrians using stolen cars on Aurora Avenue were charged this week in King County Superior Court. Both are charged with second-degree assault, and the 15-year-old is also charged with possession of a stolen motor vehicle and hit-and-run with injuries. The Seattle Times typically does not name juvenile suspects unless they are charged as adults. In early December, police released cellphone video taken from inside two cars that showed pedestrians being targeted, along with surveillance footage from nearby busi…