Motown Blues

** ADVANCE FOR SUNDAY, DEC. 21 **A pedestrian walks by a graffiti marked wall in west Detroit on Thursday, Dec. 11, 2008. The roots of Detroit’s current plight go back decades. Court-ordered school busing and the 12th Street riots of 1967 accelerated an exodus of whites to the suburbs, and many middle-class blacks followed, shrinking the city’s population from a peak of 1.8 million in the 1950s to half that now.(AP Photo/Carlos Osorio)