Does the median voter always have the knowledge of nuance and details to make correct decisions? Why do we have representatives to study these things on our behalf? Start with this question.
These should give you some perspectives:
http://www.bing.com/search?q=political+party+or+the+needs+of+voters%3F&form=EDGNTC&qs=PF&cvid=de6f8fb883fb4bb692ae3c93eb698874&pq=political+party+or+the+needs+of+voters%3F&cc=US&setlang=en-US
Is it better for legislators to answer to party leadership or to the median voter? Why or why not?
Just pros and cons of both would be of immense help to begin research to answer this prompt
3 answers
If the legislator answers to the median voters, s/he's serving the people who elected him. However, if s/he toes the party line, then s/he's racking up points for power in Congress.
Ms. Sue is right. The legislator must also consider (or should) the NEEDS of constituents as well as the DESIRES of the voters. Sometimes they are not the same. Obeisance to the party line may not accomplish either.