With 76% of precincts reporting:
Romney - 201,941 (48%)
Santorum - 109,805 (26%)
Gingrich - 69,262 (16%)
Ron Paul - 35,812 (8%)
No surprise here: Pundit Press projects that Mitt Romney has won the Republican primary in Arizona. In the long run, however, this might not matter at all if Romney loses Michigan.