CHICAGO—A 2-year-old boy was shot in the head Tuesday morning while riding in a car on Chicago’s famed Lake Shore Drive just hours after seven people were shot and wounded in a fight a few miles away, in what is shaping up to be one of the most violent years for the city in memory, police said. According to Chicago Police, the car crashed after the boy was shot in the temple near Grant Park on the city’s South Side at about 11 a.m. in what police said apparently stemmed from a dispute between the driver of the car the boy was in and the driver of another vehicle. They said one driver would not let the other enter a lane of traffic as both were heading north. At a news conference outside the hospital where the boy was taken, Commander Jake Alderden said the two drivers apparently did not …