Hillary Clinton and her one-time political nemesis Rudy Giuliani may be scrapping for a political rematch - this time through surrogates in the California governor's race. Clinton and Giuliani duked it out two years ago in the New York Senate race, in what was shaping up as the political donnybrook of the year until prostate cancer and a very public marital spat forced the former New York City mayor to a neutral corner. In February, Giuliani traveled to the Golden State to stump for conservative Republican Bill Simon, in a move that was widely credited with giving Simon the boost...