Governement homework

The elite model implies that policies are shaped by a powerful, "elite" portion of our population instead of the desires of the masses in a democratic society. The public choice model assumes that there are mutually beneficial policies that can emerge from collective decision making (even if individuals generally act in pursuit of their own self-interest).

(1) Does the elite model or public choice theory best describe immigration policies today? 
     Why?

(2) What barriers exist to comprehensive immigration reform?

Think of all the parties involved in this debate - politicians, government bureaucrats, interest groups, lawyers, public safety officials, corporations, American citizens, foreign governments, etc.

Please respond in turabian style, using a minimum of 3 sources to support your work. Try to refrain from using quotes and focus on paraphrasing citations. (250-400 words)