liberal
One who is polically speaking, party neutral.  One who examines both sides of an issue before making a stance, and also will re-examine their stance upon presentation of new evidence.
A liberals views are not limited by bigotry, tradition, dogma, tradtion, etc. They are based on the results of their own observations and investigations into a subject from as many sides as possible.
While the liberal prefers to use logic over emotion, it does not mean he is without a heart.  A liberal is just a capable of compassion as another man.  He only tries to avoid the irrationality  that can result from stong emotions.
Are you a Republican or a Democrat?  Neither I'm a liberal.