The same Democrats who derided the science of Ronald Reagan's "Star Wars" program now believe in the futuristic science of "Superman" stem-cell research. "When John Kerry is president, people like Christopher Reeve are going to walk," promises John Edwards, sounding far more credulous and superstitious than the Southern preachers liberal Democrats disdain. In this evening's debate, Kerry is expected to speak about "science" and its importance to the nation's future. President Bush should remind the audience that Kerry wasn't always so enthusiastic about futuristic science. In the 1980s, he opposed Reagan's nuclear missile defense plans with the zeal of a...