essential notions of mass communicaton and elitist concept of power

 
Watch the movie Good Night and Good Luck and answer the questions below:
1) How does the movie “Good Night and Good Luck” demonstrate some essential notions of mass communication? Keywords: “Fourth estate”, “Watchdog”, “Agenda setting”, “Gatekeeping”.
2) Read the attached pdf and relate the events in the movie “Good Night and Good Luck” to the Elitist concept of Power (Military Industrial Complex).