A very ordinary looking Fed-ex parcel stood on the porch of Terence Blanchard’s lovely Garden District home on a bright, unusually mild June morning. I soon discovered, however, upon handing it over to the trumpeter’s manager, that this was in fact the latest version of Spike Lee’s next Picture. (Get On The Bus, a film based on Louis Farrakan’s Million Man March.) The house seemed to fill up with an immediate sense of urgency as the manager called out, "The ...