In fact:
2000: Bush wins with 94%
2008: McCain wins with 90%
If any of us had bothered to look back at the historic results a blowout for the establishment frontrunner should've been obvious.
And if you add in that Santorum's "campaign" basically consisted of telling Puertoricans to speak Inglés if they want to be Americans but that they're still cool to vacation on - that is, basically consisted of telling them to vote for whoever had the best chance to beat him - and wonder what sort of appeal, exactly, Newt Gingrich and Ron Paul were supposed to have, then, um, yeah.