Winfrey, Jury Convict Man of Murder CHICAGO - A jury that included talk show host Oprah Winfrey convicted a man of murder Wednesday after a trial that turned into a media frenzy because of the billionaire in the jury box.    Jurors deliberated for more than two hours before convicting 27-year-old Dion Coleman of first-degree murder in the February 2002 shooting death of 23-year-old Walter Holley...