You are correct. I worked for a conservative congressman and he knew his constituents and what they wanted for the most part. It's not hard if your state leans hard to either side of the spectrum. And in his defense, if he took every call and letter into account, he would never have time to do anything else. But at the same time, what about those that have a differing opinion from the majority and have a good point to be made? Shouldn't everyone's opinion be heard? And what about states whose constituents are closer to the center? It's a difficult situation to say the least.