Rep. David Schweikert (R-Ariz.) has a 13-point lead over Rep. Ben Quayle (R-Ariz.) in their member-vs.-member primary, according to a poll commissioned by Citizens United, a group backing Schweikert in the race.


Schweikert leads Quayle with 47 to 34 percent, according to the poll. The two will face off on Aug. 28.

Polls done on behalf of a group with an interest in a race should always be viewed with a bit of skepticism — but those numbers are unquestionably good news for Schweikert, who has run to Quayle's right in the race.

The poll of 794 likely Republican primary voters from was conducted from July 24-25 and has a 3.45-point margin of error.