At the close of last night’s concert at the 2007 Duke Ellington Jazz Festival, Executive Producer Charlie Fishman said his friend and mentor, the great Dizzy Gillespie (pictured), who was the focus of this year’s proceedings, chose to name his last big band the United Nation (in the singular) Jazz Orchestra to show the oneness of humanity. Fishman went on to say that Dizzy often told his colleagues that human beings all share two characteristics:…