50% of GOP voters undecided in AZ Governor's race; Stan Barnes says anyone could win

Excerpts from the article at KTAR:

Conservative political strategist Stan Barnes said he expects Tuesday's Republican gubernatorial primary to go down to the wire. Barnes said almost any of the candidates could pull off the win and voters have a lot of flavors to choose from. 

As late as July 29, about 50 percent of Republican voters has not decided which name they would check on the ballot.