How does Koch Brothers: Exposed supplement your understanding of Americas special interest groups and lobbyists role,  power and influence in American politics?

Review the documentary below. 
2. Write a 500 word documentary review concerning the content of the documentary in response to the following question prompt:
Question prompt: “How does “Koch Brothers: Exposed” supplement your understanding of America’s special interest groups and lobbyists role,  power and influence in American politics? Are interest groups good or bad for democracy? Defend and explain your answer.”