The drive from Springfield to Chicago is a 200-mile straight shot up Interstate 55. It takes a little more than three hours to make the trip. It’s a stretch David N. Anderson has driven 1,500 times. The Harrisburg native, who at the age of 67 still refers to himself as “a southern Illinois boy,” retired last week from the Illinois State Bar Association after a 39-year career. Hired in 1974 as director of public affairs, Anderson maintained that title until his retirement while also serving in a …