Albany (AP) - Gov. Eliot Spitzer signed a bill Monday moving New York's presidential primary to Feb. 5 - a move that could benefit the Democratic and Republican front-runners, Hillary Rodham Clinton and Rudy Giuliani, both New Yorkers. About a dozen other states, including California and New Jersey, have already moved their primaries or caucuses to Feb. 5 or are about to do so. About a dozen more are considering such moves, setting the stage for what is quickly becoming known as "Super-Duper Tuesday" just 22 days after the leadoff Iowa caucuses. "Moving the primary date to February, we will...