I have often wondered whether liberal politicians and journalists, most of whom surely believe they are more sophisticated and enlightened than their conservative counterparts, truly don't understand the concept behind the intricate balance of powers the Framers incorporated into the Constitution or simply don't care. Washington Post columnist E. J. Dionne Jr. asked in a recent column, "Should a temporary majority of 50.7 percent have control over the entire United States government? Should 49.3 percent of Americans have no influence over the nation's trajectory for the next generation? We are deciding whether one ideological orientation will hold sway over all...