A Behavior Research telephone poll conducted June 30 to July 11, indicates that incumbent Republican Governor Jan Brewer would win the GOP primary for governor with the support of 57% of Republicans and Independents who plan to vote in the GOP primary on August 24.
Arizona businessman Buz Mills, who contributed millions of dollars to his campaign, had the support of 12% of those planning to vote and Arizona Treasurer Dean Martin had the support of only 9%.
Jan Brewer has also been endorsed by the National Rifle Association, Arizona Right to Life and, both Arizona Senators John McCain and Jon Kyl.
Martin and Mills have boyh suspended their campaigns.
The sample of 236 registered Republicans and independents had a margin of error of 6.5 %.
Recent polling by Behavior Research also showed that Sen. John McCain would prevail over his two primary opponents; former Member of Congress and radio talk show host, J.D. Hayworth and, citizen candidate, businessman and tea party activist, Jim Deakin.
McCain had the support 64% of Republicans and GOP-leaning Independent voters. Hayworth had only 19 percent, Deakin had 5%, 12% are undecided.
In April Hayworth was at 28%.