This week on Ottawa Morning the CBC's Julie Ireton is taking an in-depth look at Ottawa's dysfunctional Sparks Street mall, the national tourist attraction that doubles as an echo chamber from October through April. In this segment she hears ideas on how to revitalize the street; the concepts include a dedicated vintage trolley system, on-street parking, and dropping in an "anchor store", or maybe even two. With ideas to share  like Kate Wetherow's on how to make vacant buildings come to life -- combined with some pot-shots at the federal bureaucracy -- Spacing's ...