A top Chicago police official’s car was stopped on the West Side during a drug arrest earlier this month, a police spokesman confirmed Wednesday. A Lexus registered to Yolanda Talley, chief of internal affairs, was pulled over Feb. 1 in the 500 block of North St. Louis Avenue and officers arrested Kenneth Miles, 34, on drug charges, according to an arrest report and police sources. Talley wasn’t in the car. Her niece was driving the Lexus, said Don Terry, a spokesman for the police department. According to a police report, officers in a gang investigations squad were targeting drug sales...