In both of our political parties, activists talk about fighting for the "soul of the party." Do parties have a soul? Political parties are messy things -- coalitions, fueled by people of great ambition, scarred by the corrupt and the petty, lifted by those with vision. How could they possibly be said to have a "soul"? In the fall elections, candidates will run in different ways. Some Republicans will line up with President Bush; others -- many after voting his way nearly 100 percent of the time -- will run away from him, now that his poll numbers are down....