Seems like Giulani and Clinton have sizable leads for the nomination, head to head this is how they do:
RealClearPolitics - Election 2008 - General Election: Giuliani vs. Clinton
Clinton by 5 pts. Closer then I would have thought, but she still wins.
RealClearPolitics - Election 2008 - General Election: Giuliani vs. Clinton
Clinton by 5 pts. Closer then I would have thought, but she still wins.