Conflict and disagreement are at the heart of the democratic experience. The belief that reasonable people can disagree, yet still come together as a nation to strive for a common good, is the cornerstone of our society. Without this understanding, we risk evolving into nothing more than warring clusters of rival interests.
Sure, this notion of everyone being reasonable, fair and intellectually honest in their disagreements might be a bit utopian, but I have been really struck by some of the truly horrible ideas put forth in the past few weeks. People sometimes take cheap shots at each other -- that's human nature. My wife reminds me that I've put on some extra weight every time we get into an argument. The thing is, though, she recognizes it's a cheap shot when she says it and (usually) apologizes for it shortly thereafter. While hoping that people will always be fair might be a bit idealistic, I do not consider it unreasonable to ask that people who disagree at least disagree in good faith.