Count the number of times you hear the words "liberal" and "conservative." From the sound of the political advertisements, the perception seems to be that conservative is good and liberal is bad. Some candidates seem to judge the power of their campaign ads by how many times they can use the word conservative. First, what is a conservative? "n. 1 A person who is opposed to change, either by nature or on principle. 2 a member of a conservative political party. 3 a means of preserving; preservative. 4 a person who from prejudice or lack of foresight is opposed to true progress."…